Ethylsulfuric acid
[化] O-乙基硫酸
🧩 词语组成解析
🗣️ 情景例句
He's going up the ladder pretty quickly.
他真是平步青云。
He can only speculate as to which horse will win the race.
他只能推测那一匹在赛马中会获胜。
It's a very old castle. It is the oldest one in Britain.
这个城堡很古老，它是英国最老的了。