Heterococcolith
异颗石
🗣️ 情景例句
What did you do?
那你怎么办呢？
Never put the plow before the oxen.
不要本末倒置。
But even the mosquito has been subdued by attention to drainage and by chemical sprays.
然而即使蚊子，也由于我们注意清理污水和喷洒化学药品而被制服了。