leaf fall
落叶：树叶在秋季脱落的现象
常用释义
英式发音
美式发音
基本释义
- 落叶：树叶在秋季脱落的现象，通常发生在温带和寒带地区的落叶树种。
例句
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1·You see a leaf fall and you think you know which way the wind blows.你看到一片树叶落下你以为你就能知道风往哪吹？
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2·In plants, leaf fall and flowering are common responses to seasonal changes in day length.在植物中，落叶和开花是对日长季节性改变的普遍反应。
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3·Soon, a leaf fall, cover the body in the small insects, worms suddenly felt incredibly hard, that the devil came, wanted to eat it, scared cold sweat.不一会儿，一片树叶落下来，盖在了小虫子的身上，虫子顿时感到天昏地暗，以为魔鬼来了，想吃了它，吓得直冒冷汗。
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4·Buck scrapes are generally created after leaf-fall in autumn, which is just before or during the rut.雄鹿窝通常出现在秋天落叶之后，也就是发情之前或发情期间。
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5·The weakened fall leaf then becomes vulnerable to the highly destructive effects of the oxygen created by the excited chlorophyll molecules.活跃的叶绿素分子产生的氧气破坏性强，秋天衰弱的树叶随后变得更容易受到影响。
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6·Do you ever wonder why a fall leaf changes color?你们有没有想过为什么落叶会变色？
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7·Moreover, the problem of oversensitivity to light is even more acute in the fall, when the leaf is busy preparing for winter by dismantling its internal machinery.此外，对阳光过度敏感的问题在秋天更为严重，因为此时叶子正忙着通过“拆卸内部机构”为冬天做准备。
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8·Outside, leaf shadows twist and fall like embers.外面，树叶的阴影扭曲着下降，像余烬一般。
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9·The leaves are beginning to fall, and soon only two things will be hanging from the trees: the last leaf and the first football coach.叶子们开始飘落，不久就只会有两个东西还悬在树上：最后一片叶子和第一个足球教练。
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10·An aspen leaf turning fall colors.白杨树的树叶转变为秋天的颜色。