Maximum permissible concentration
[医] 最大容许浓度
🧩 词语组成解析
🗣️ 情景例句
Yes, sir.
是的， 先生。
Time and tide wait for no man.
岁月无情。
Though she hesitated for a moment, she finally went in and asked to see a dress that was in the window.
她虽然犹豫了片刻，但终于还是走进了商店，要求把陈列在橱窗里的一件衣服拿给她看。