Bioturbation
生物扰动作用
🗣️ 情景例句
Mom says we can give her a going-away surprise party.
妈妈说我们可以给她举行一个让她惊喜的欢送派对。
How much?How many?
共多少？
We regard them as unnecessary creatures that do more harm than good.
我们把昆虫当作害多益少的无用东西。