tubers

1.tubers from which plants obtain nourishment.

植物得以吸收养分。

2.At the stage of tuberization to tuber-expanding, the growth of leaves, stalks and tubers reached the maximum.

形膨大始期，阶段吸硫量和吸硫速率均达最大，熟收获时降最低。

3.Stem with much reduced leaf blades that function as rhizoids below ground, with or without tubers or rhizomes.

在地下面，起假根作用非常退化叶片，有或没有或根状。