“覆盖物”造句

脑体周围有3层分离的覆盖物.
There are three separate coverings around the brain itself.

春天我们移去游泳池的覆盖物.
In spring we uncover the swimming pool.

疏松的覆盖物在土壤表面起了隔热的作用.
A loose mulch acts on the surface as an insulator.

• #覆盖物