Halimide
[化] 氯化对十二烷基苄三甲铵
🗣️ 情景例句
Hello, it's a pleasure to meet you.
你好， 很高兴见到你。
The more we study, the more we discover our ignorance.
学得越多，就越发觉自己无知。
My name's Ling Feng.
我叫凌峰。