Ethylizing
[化] 加四乙铅; 乙基化
🗣️ 情景例句
Five five five...one seven two oh. Hello? 555-1720
喂 喂?
He was out of his mind with grief.
他伤心得精神错乱了。
It has 102 storeys and 73 lifts.
有102层楼，有电梯73部。