大烧杯中有大量排泄 物，杯底有一层绿色沉积 物。

There are a great deal of excrement and a flat of green sediment on the bottom of the beaker.

youdao

大烧杯中有大量排泄 物，杯底有一层绿色沉积 物。

There are a great deal of excrement and a flat of green sediment on the bottom of the beaker.

youdao