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1·His expressions varied from poker-faced to blank.

他的表情在不露声色与茫然之间变幻不定。《柯林斯英汉双解大词典》

2·Laughter is one of the most infectious expressions of emotion.

笑是最具感染力的感情表达方式之一。《柯林斯英汉双解大词典》

3·These expressions are often used interchangeably, but they do have different meanings.

这些表达法经常可以互换使用，但它们的确有不同的含义。《柯林斯英汉双解大词典》

4·We can use our eyes and facial expressions to communicate virtually every subtle nuance of emotion there is.

我们可以用眼睛和面部表情来如实地传达情感上的每一丝细微差别。《柯林斯英汉双解大词典》

5·It makes their expressions more explicit.

这让他们的表达更加直白明确。

6·They showed threatening, pleasant and neutral expressions.

它们分别表现出了凶狠的、愉快的和不带感情色彩的表情。

7·What are the possible links between facial expressions and emotion?

面部表情和情绪之间可能存在哪些联系？

8·I can read Diana's thoughts from the changes in her facial expressions.

我能从戴安娜面部表情的变化看出她的想法。

9·Students should not worry about when exactly to use certain expressions.

学生不必担心什么时候使用某些特定的表达。

10·For the same reason, we all have similar emotional expressions like smiling and crying.

基于同样的原因，我们都拥有哭和笑这样类似的情感表达。

表达式

1·These expressions are formed using functions, which are combined to get the results we may be looking for.

这些表达式是使用函数构成的，结合这些函数来得到我们可能要查找的结果。

2·It is important to notice that the resulting dispersion equation is factorizable in the product of two expressions.

需要注意的是，得到的色散方程可以分解为两个表达式的乘积。

3·We have expressions for that.

我们有它们的表达式。

4·We start with two regular expressions, one for records of books and another for records of magazines.

我们从两个正则表达式开始，其中一个记录书的信息，另外一个记录杂志。

5·Basic Search allows you to use + and - but you can not use Boolean operators or more complex expressions.

基本搜索允许您使用+和-，但不能使用布尔运算符或更复杂的表达式。

表情

1·His expressions varied from poker-faced to blank.

他的表情在不露声色与茫然之间变幻不定。《柯林斯英汉双解大词典》

2·We can use our eyes and facial expressions to communicate virtually every subtle nuance of emotion there is.

我们可以用眼睛和面部表情来如实地传达情感上的每一丝细微差别。《柯林斯英汉双解大词典》

3·What are the possible links between facial expressions and emotion?

面部表情和情绪之间可能存在哪些联系？

4·I can read Diana's thoughts from the changes in her facial expressions.

我能从戴安娜面部表情的变化看出她的想法。

5·Until now, only humans and gorillas have the ability to exactly copy facial expressions.

直到现在，只有人类和大猩猩有能力准确地复制面部表情。

公式

1·All these electromagnetic waves are governed by four mathematical expressions established almost 150 years ago by James Clerk Maxwell.

所有这此电磁波都受麦克斯韦大约于150年前创立的四个数学公式的支配。

2·The applicability of some local wind-wave empirical expressions is dis cussed too.

还讨论了当地风—浪经验公式的适用程度。

3·The expressions developed are based on Stoker 's law.

各种展开的计算公式是根据斯托克斯定律推导出的。

4·The expressions developed are based on Stoker 's law, which limits design to simple cases.

各种展开的计算公式是根据斯托左斯定律推导出的， 也就是说，只限于考虑一些简单的情况。

5·This algorithm builds an effective borer collapse value expressions to control the partial error based on the selection of error variable.

该算法通过对误差变量的选择，建立了有效的边“折叠价值”计算公式对简化进行局部误差控制。

词句

1·It's possible that in some areas, some expressions are more commonly used than others.

它的可能，在某些地区，某些词句是较常用的比别人。

2·Today, we tell all about horse expressions!

今天我们来讲述所有和马有关的词句。

3·That is why the word heart is used in so many expressions about emotional situations.

这就是为什么心这个单词用在这么多关于情绪状态的词句中。

4·The language learner may observe how native speakers express themselves, and how native expressions differ from the way the learner might say them.

外语的学习者也许会观察当地的人怎么表达以及当地人的词句与学习者所表达的方式有什么不同。

表示式

1·In the case of low and high velocities, the analytical expressions of the electronic stopping power and the effective charge are obtained, respectively.

在低速和高速情况下，分别得到了有效电荷数和电子阻止本领的解析表示式。

2·The general expressions of kinematic model of 3-dimensional VGCN are presented, which is the equation constraint in optimization of tolerance values.

建立了三维变动几何约束网络的运动学模型的一般表示式，从而构成了公差大小优化的等式约束。

3·Regular Expressions are a powerful way to match and replace strings.

正则表示式是一种强大的匹配和替换字符串的方式。

(1)words and expressions单词和词组