Quinquephenyl
[化] 五联苯
🗣️ 情景例句
Throughout my education.
学生时代。
Why didn't you do it?
为什么你不做？
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。