Bioturbation
生物扰动作用
🗣️ 情景例句
We've called it quits.
我们决定放弃（我们之间的关系了）。
There's no such thing as a free lunch.
天下没有白吃的午餐。
for the monotonous rhythm of the wheels clicking on the rails soon lulls you to sleep.
车轮与铁轨间单调的嘎喳声很快就会送你进入梦乡。