Even if we eat or drink nothing at all, the body kills millions of germs every second.

即使我们不吃不喝，身体每秒也会杀死数百万个细菌。

youdao

Even if we eat or drink nothing at all, the body kills millions of germs every second.

即使我们不吃不喝，身体每秒也会杀死数百万个细菌。

youdao