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(单词翻译:双击或拖选)
台湾籍旅美老师今天交给我们的句子是:
Chlorophyll breaks down and is replenished1 all summer long. As daylight hours shorten, however, veins2 that bring water and nutrients3 to the leaf gradually close off.
整个夏天,叶绿素不断分解,然后又被补足。但是当日照时数缩短的时候,为叶子带来水分跟营养的叶脉会逐渐关闭。
点击收听单词发音
1 replenished | |
补充( replenish的过去式和过去分词 ); 重新装满 | |
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2 veins | |
n.纹理;矿脉( vein的名词复数 );静脉;叶脉;纹理 | |
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3 nutrients | |
n.(食品或化学品)营养物,营养品( nutrient的名词复数 ) | |
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