Cordein
[医] 科尔迪因, 甲基三溴萨罗, 甲基三溴水杨酸苯酯(防腐剂)
🗣️ 情景例句
Until today, I was never really interested in medicine.
直到今天 ，我才对医学真正感兴趣。
Keep thing seven years and you will find a use for it.
备而不用。
We are prohibited from smoking on school grounds.
我们被禁止在校园内抽烟。