perennation

常见例句

It is an organ of perennation or vegetative propagation, and is characteristic of various water plants (e.g.Sagittaria).
这是多年生营养繁殖器官，还是多种水生植物的特征之一(例如：Sagittaria)。
Under natural condition, the invasive plants formed superiority community easily, so it had a bigger potention of harmful effect to Lolium perenn.
在自然条件下，外来入侵杂草容易形成单一优势种落，对多年生黑麦草草坪具有较大的危害潜力。