underground stem的意思|示意

The yield and diosgenin content of underground stem were different in different plants.

不同单株根状茎产量和皂素含量不同。

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。

Any of various other underground plant parts, especially an underground stem such as a rhizome, corm, or tuber.

地下茎，根茎，块茎：任何其它植物的地下部分，尤指根茎、球茎或块茎等地下茎。