Perennials
n. 多年生植物( perennial的复数形式 )
🗣️ 情景例句
That's a great idea.
这是一个绝妙的主意。
He tells me is a city boy, and this is his first time to live in a camp like this.
他说他是一个都市男孩，这是他第一次过这种野营生活。
and it is only in the seas and rivers, and sometimes lakes, where mud and sit have been continuously deposited,
所以只有在泥沙不停淤积的海洋和江河里，有时在湖泊里，