Ethylization
[化] 加四乙铅; 乙基化\\n[医] 乙基化[作用]
🗣️ 情景例句
Mr. Gao in Room 409.
409房间的高先生。
What a shame! Or That's too bad.
真是遗憾。
I like spring and summer.The days are long and the night are short.The sun rises early and sets late.
我最喜欢春季和夏季。因为此时白天长而夜晚短，太阳升得早而落得迟。