Ethylization
[化] 加四乙铅; 乙基化\\n[医] 乙基化[作用]
🗣️ 情景例句
I do mean it.
我的确是说真的。
What did the doctor say?
医生说了什么吗？
He suggested that a double railway-tunnel should be built.
他提议建一条双轨隧道，这样就解决了通风问题。