Ethylization
[化] 加四乙铅; 乙基化\\n[医] 乙基化[作用]
🗣️ 情景例句
Dad! Grandpa! He fell in!
爸爸， 爷爷， 他掉下去了。
What is done by night appears by day.
若要人不知，除非己莫为。
What is your best price on this item?
此一品目的最低价是多少？