leaf fall

基本解釋

An aspen leaf turning fall colors.
白楊樹的樹葉轉(zhuǎn)變爲(wèi)鞦天的顔色。
You see a leaf fall and you think you know which way the wind blows.
你看到一片樹葉落下你以爲(wèi)你就能知道風(fēng)往哪吹？
In plants, leaf fall and flowering are common responses to seasonal changes in day length.
在植物中，落葉和開花是對日長季節(jié)性改變的普遍反應(yīng)。

For the first row nearest the fans, they generally suggested trees that lose their leaves in the fall or trees with waxy leaf surfaces.
the fall of the yellowed,dry leaf.

Premature leaf fall would thus be a bad thing.
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