firm/hard/inflexible/solid.导航词义：坚硬的，结实的

1. firm:adj. 坚硬的，结实的.指不软也不是特别硬，但不易变形的。

She can't sleep well on a firm mattress.

她在硬床垫上睡不好。

He bought several firm green apples on his way home.

他在回家的路上买了几个硬的青苹果。

2. hard:adj. 硬的，坚固的.指硬实得难以按下、切开、弄碎等的。

This piece of rock is so hard that you can barely embed anything in it.

这块岩石太硬了，几乎什么也嵌不进去。

There was almost no rain this year so the ground is now as hard as stone.

今年一年几乎没下雨，现在土地硬得像石头一样。

3. inflexible:adj. 坚硬的.指材料很硬，很难或无法弯曲的。

Be careful! This kind of plastic is inflexible.

小心！这种塑料不能弯曲。

4. solid:adj. 坚硬的.指固体坚硬结实的。

solid ground

坚实的土地

solid food is easier to carry.

固体食物更便于携带。

全部

1·These chains seem fairly solid.

这些链子看着挺结实。《牛津词典》

2·She had refused all solid food.

所有的固体食物她都不肯吃。《牛津词典》

3·His body was solid and taut.

他身体结实，肌肉发达。《牛津词典》

4·The boiler uses solid fuel.

这个锅炉烧固体燃料。《牛津词典》

5·A cube is a solid figure.

立方体是一种立体图形。《牛津词典》

6·As yet, they have no solid evidence.

他们至今没有任何可靠的证据。《牛津词典》

7·The mattress is best on a solid bed base.

床垫最好放在结实的床座上。《柯林斯英汉双解大词典》

8·The tunnel was blasted out of solid rock.

这条隧道是在坚固的岩石中炸出来的。《牛津词典》

9·They drove a tunnel through the solid rock.

他们凿出一条穿过坚固岩石的隧道。《牛津词典》

10·The engineers had to tunnel through solid rock.

工程师须要在坚实的岩石中开凿隧道。《牛津词典》

固体

1·The boiler uses solid fuel.

这个锅炉烧固体燃料。《牛津词典》

2·She had refused all solid food.

所有的固体食物她都不肯吃。《牛津词典》

3·The planet Jupiter may have no solid surface at all.

木星表面可能根本就不是固体的。《牛津词典》

4·The point at which the solid and the liquid are in equilibrium is called the freezing point.

固体和液体的平衡点叫做冰点。《牛津词典》

5·Annually, the world generates 1.3 billion tons of solid waste.

全世界每年会产生13亿吨固体废物。

坚实

1·The engineers had to tunnel through solid rock.

工程师须要在坚实的岩石中开凿隧道。《牛津词典》

2·This provided a solid foundation for their marriage.

这为他们的婚姻提供了坚实的基础。《牛津词典》

3·I just want it to be a real rock, hard and solid.

我只希望它是真正的岩石，坚硬而坚实。

4·Four years' college life laid a solid foundation for his work.

四年的大学生活为他的工作打下了坚实的基础。

5·Think of knowledge as a house, you need a solid foundation on which to build your house.

把知识想象成一座房子，你需要一个坚实的基础来建造你的房子。

固

1·Let's imagine we have two solid phases and an equilibrium between them.

我们假设有两个固相，它们处于平衡状态。

2·But the principal breakthrough with the solid ink technology stems from the overall simplicity of the machine's innards.

但这项固墨技术的重要突破来自于打印机内部结构的整个简化。

3·And as far as the gas phase is concerned, that solid phase is pure water.

当我们关注气相时，固相是纯水。

4·With its new ColorQube solid ink systems, Xerox says it can pull the average cost of color documents down to about 3 cents a page.

拥有其新型ColorQube固墨系统，施乐称其可将彩色打印文件的平均成本降低到每页三分。

5·Solid ink machines need about one-third as many parts as laser printers, which require various mechanisms to fuse toner onto paper that must be replaced over time, adding materials and services costs.

固墨打印机所需零部件仅为激光打印机的三分之一，激光打印机需要各种不同的原理来将炭粉融化到纸上，炭粉久了以后必须进行更换，增加了材料与服务成本。

扎实

1·、Wayne Shorter on tenor sax, Freddie Hubbard on trumpet, Curtis Fuller on trombone and Art Blakey in the lead with his solid, imaginative drumming.

韦恩·肖特吹中音萨克斯，弗雷迪·哈伯德吹小号，柯蒂斯·富勒吹长号，阿特·布莱基以他扎实而富有想象力的鼓乐领导着乐队。

2·Proficient means students have a solid understanding of the material.

熟练意味着学生对材料有扎实的理解。

3·The platform to support your new enterprise must be solid, robust, and able to grow and change.

用于支持新企业的平台必须扎实可靠并且能够增长和变更。

4·Such modeling is only useful if it is based on solid methodology, ensuring that models are correct.

只有依靠扎实的方法学确保模型正确，这种建模方法才会有用。

5·Proficient represents solid academic performance, while basic shows partial mastery of skills.

良代表扎实的学术能力，而及格表示掌握部分知识。

坚固

1·The tunnel was blasted out of solid rock.

这条隧道是在坚固的岩石中炸出来的。《牛津词典》

2·They drove a tunnel through the solid rock.

他们凿出一条穿过坚固岩石的隧道。《牛津词典》

3·The drill is strong enough to bore through solid rock.

这把钻足以钻透坚固的岩石。《牛津词典》

4·Banks are built to look solid to reassure their customers.

银行修建得看上去很坚固，以使顾客放心。《柯林斯英汉双解大词典》

5·The ovenbird makes a nest that is very solid.

灶巢鸟做的巢十分坚固。

实心

1·This table is made of solid oak.

这张桌子是用实心橡木制作的。《牛津词典》

2·They were drilling through solid rock.

他们正在把实心岩钻通。《牛津词典》

3·The statues were hewn out of solid rock.

这些雕像是在实心岩石上凿出来的。《牛津词典》

4·He designed a guitar with a solid body that relied solely on electronics.

他设计了一把纯粹依靠电子器件的实心吉他。

5·A tablet engraved about 3000 B.C.E. provides the earliest known example from Sumer, a roofed boxlike sledge mounted on four solid wheels.

来自公元前3000年左右的一块苏美尔的雕刻陶土板提供了已知最早的例证：一个带顶棚的箱状雪橇被安装在四个实心的轮子上。

可靠的

1·As yet, they have no solid evidence.

他们至今没有任何可靠的证据。《牛津词典》

2·You want a husband who is solid and stable, someone who will devote himself to you.

你需要一个可靠而稳重的丈夫，一个全心全意为你的人。《柯林斯英汉双解大词典》

3·My theory is established on the solid basis of facts.

我的理论是以可靠的事实作为根据的。

4·More important, the work provided the first solid indication of how alcohol works to protect the heart.

更重要的是，这项研究第一次为酒精如何保护心脏提供了可靠的证据。

5·With hundreds of services, you need to define a solid way for your customers to find the right services and know how to use them effectively.

如果有数百个服务，则需要定义一个可靠的方法，以便客户找到正确的服务并知道如何有效地使用这些服务。

实

1·They were used to outline figures to show boundaries just like you might use solid lines in a pencil drawing.

它们被用来勾勒图形以显示边界，就像你在铅笔画中使用实线一样。

2·We know inheritance is not being shown here, because the line with the arrow is dotted and not solid.

我们知道继承在这里没有被显示，因为与带箭头的线是点线而不是实线。

3·As shown in Figure 10, a dotted line with a closed, unfilled arrow means realization (or implementation); as we saw in Figure 4, a solid arrow line with a closed, unfilled arrow means inheritance.

如图10所示，一条带有闭合的单向箭头的点线意味着实现(或实施)；正如我们在图4中所见到的，一条带有闭合单向箭头的实线表示继承。

4·As shown in earlier diagrams, we can visually illustrate those peaks on each tier with a solid line.

正如在之前的图标中所示的，我们可以用实线来真实的描述那些在每层上出现的峰值。

5·These margins often show up as light solid or dashed lines on the screen.

在屏幕上这些边线可能会显示为浅色的实线或虚线。

牢固

1·The binding is sober and solid.

装订朴素而牢固。《新英汉大辞典》

2·We wanted to bottom our plan on a solid basis.

我们想把我们的计划建立在牢固的基础上。

3·It was not the first attempt to repair a once solid link.

这并不是第一次尝试修复曾经牢固的关系。

4·He was determined to give his family a secure and solid base.

他决心为他的家庭打下一个坚实牢固的基础。《柯林斯英汉双解大词典》

5·Our theory bottoms on a solid basis.

我们的理论建立在牢固的基础上。

(1)solid foundation基础雄厚；实体基础

(1)solid waste固体废物，固态废物；固体废料，固体垃圾

(1)solid state固态

(1)solid phase[物]固相

(1)solid wood实木；紧密材

(1)solid content固体含量；固形物