Ceepryn
[医] 西波林, 氯化十六烷基铵基吡啶
🗣️ 情景例句
Yes, I have been working in an advertisement company in the last two years.
是的，在过去两年里，我一直在一家广告公司工作。
What we learn with pleasure we never forget.
乐意学的东西决不会忘记。
Jack is trying to cut down on smoking.
竭克正竭力戒烟。