subterraneous stem是什么意思 subterraneous stem怎么读
subterraneous stem的用法和样例
- The stem is reduced to a disklike structure, bearing concentric layers of fleshy leaf bases that comprise the food store.
由许多肥厚的肉质鳞叶包围扁平或圆盘状的地下茎，其中储藏着大量的营养物质。 - A potato consists mainly of starch stored by the potato plant in its underground stem.
马铃薯的主要成份是淀粉，是由马铃薯身把它存在其地下茎里的。
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