丢弃旧菜板，因为上面的刀痕是病毒隐藏的地方。

Discard worn out boards, as cut marks on them serve as hiding places for viruses.

youdao

丢弃旧菜板，因为上面的刀痕是病毒隐藏的地方。

Discard worn out boards, as cut marks on them serve as hiding places for viruses.

youdao