be characteristic of 托福

Pseudopodia are characteristic of many dipterous larvae.

伪足为多数双翅目幼虫所特有。

It is an organ of perennation or vegetative propagation, and is characteristic of various water plants (e.g.Sagittaria).

这是多年营养繁，还是多种水植物的特征(如：Sagittaria)。