覆盖: 1.(遮盖) cover; overlap 短语和例子青松覆盖的山峦 hills covered with pinetrees; 地上覆盖着厚厚的积雪。 the ground was covered over with thick snow. 秧苗上面覆盖着塑料薄膜。 the rice seedlings were covered with plastic sheeting
丛: Ⅰ动词(聚集) crowd together 短语和例子丛生 grow thicklyⅡ名词1.(生长在一起的草木) clump; thicket; grove 短语和例子草丛 a patch of grass; 树丛 a clump of trees; grove2.(泛指聚集在一起的人或物) crowd; collection 短语和例子论丛 a collection