There's usually a lot more chlorophyll in the leaves than the stem of a plant, which is why the stems aren't usually quite as dark.
叶片中的叶绿素通常比植物的茎多得多，这就是为什么茎通常不那么暗的原因。
| 单词 | stem of a plant |
| 释义 |
stem of a plant
原声例句
十万个为什么 There's usually a lot more chlorophyll in the leaves than the stem of a plant, which is why the stems aren't usually quite as dark. 叶片中的叶绿素通常比植物的茎多得多，这就是为什么茎通常不那么暗的原因。 |
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