Halimide
[化] 氯化对十二烷基苄三甲铵
🗣️ 情景例句
All you do is
你所要做的就是
We can offer a discount in progressive stages according to the size of the order.
根据订购数量的大小，我们可提供累进的折扣。
There are lots of huge buildings in Beijing.
在北京有许多高大的建筑物。