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1·Leaves change colour in autumn.

树叶在秋天改变颜色。《牛津词典》

2·The leaves taste rather bitter.

这些叶子尝起来相当苦。《柯林斯英汉双解大词典》

3·The dew gathered on the leaves.

露水在叶片上聚集。《柯林斯英汉双解大词典》

4·The leaves were turning brown.

叶子变了黄色。《牛津词典》

5·The leaves brushed her cheek.

叶子轻拂她的面颊。《牛津词典》

6·The leaves rustled in the wind.

那些树叶在风中沙沙作响。《柯林斯英汉双解大词典》

7·She buried it under some leaves.

她把它埋藏在一些树叶下。《柯林斯英汉双解大词典》

8·The leaves are a variegated red.

这些树叶呈斑驳的红色。《柯林斯英汉双解大词典》

9·The leaves floated on the water.

叶片漂浮在水面上。《牛津词典》

10·The leaves slowly unfurled.

叶子慢慢地展开了。《牛津词典》

树叶

1·The leaves are a variegated red.

这些树叶呈斑驳的红色。《柯林斯英汉双解大词典》

2·He swept the leaves up into a pile.

他把树叶扫成一堆。《牛津词典》

3·She buried it under some leaves.

她把它埋藏在一些树叶下。《柯林斯英汉双解大词典》

4·I watched the men rake leaves into heaps.

我看见男人们把树叶耙成堆。《柯林斯英汉双解大词典》

5·Ivy leaves embellish the front of the dresser.

长春藤树叶装饰着梳妆台的正面。《柯林斯英汉双解大词典》

离开

1·He will be difficult to replace when he leaves.

他离开后，他的位置很难有人接替。《牛津词典》

2·Who leaves Rome will lose Rome.

谁要是离开罗马，就是失去罗马。

3·He never leaves home.

他从不离开家。

4·If she leaves, it'll be a big loss to us.

如果她离开，对我们来说将是一个巨大的损失。

5·After he leaves, I am finally left alone with an iPad.

他离开之后，我终于得以同iPad单独呆上一回了。

叶片

1·The dew gathered on the leaves.

露水在叶片上聚集。《柯林斯英汉双解大词典》

2·Typically, older leaves are affected first as the phosphorus is mobilized to young growing tissue.

通常，当磷元素向新生组织转移时，较老的叶片首先受到了影响。

3·Phosphorus-deficient plants are often stunted, with leaves turning a characteristic dark green, often with the accumulation of anthocyanin.

缺磷植物常发育不良，叶片呈典型的深绿色，常伴有花青素的积累。

4·Concrete mixing and unloading mainly depend on the two spiral mixing leaves, so the design of the helical mixing blades is particularly important.

混凝土的搅拌和卸载主要依靠两个螺旋搅拌叶片，因此螺旋搅拌叶片的设计尤为重要。

5·Leaves are nature's food factories.

叶片是大自然的食物制造厂。

花瓣

1·They serve it in little metal cups and strew rose leaves upon it.

他们以小巧的金属杯子盛酒，并在上头撒上玫瑰花瓣。

2·The experiment of making peony vinegar bread with vinegar, peony leaves leaching liquor and farina leaching liquor is introduced. The factors influencing the quality are analyzed.

介绍了以米醋、牡丹花瓣浸提液和牡丹花粉浸提液为辅料生产保健面包的试验，并对影响面包品质的因素进行了分析。

3·The flower could not now, as on the preceding evening, fold together her leaves and sleep; she bent down sad and sick to the ground.

雏菊现在也无心像前一个夜晚那样地合起花瓣睡觉，她悲伤地弯下身子，而且生病了。

(1)autumn leaves秋天的落叶

(1)bamboo leaves竹叶

(1)tree leaves树叶

(1)leaves of grass草叶集（惠特曼的诗集）

(1)eucalyptus leaves桉树叶；古柯叶（eucalyptus leaf的复数形式）

(1)collect leaves收集树叶