Halimide
[化] 氯化对十二烷基苄三甲铵
🗣️ 情景例句
Eight pounds six, just like me.
八磅六， 跟我一样。
It is our permanent principle that contracts are honored and commercial integrity is maintained.
重合同、守信用是我们的一贯原则。
Where?
哪里？