Esters
[医]酯类
🗣️ 情景例句
If you waste all your time playing computer games, you'll never get anywhere in life.
如果你花过多的时间在电脑游戏上，你将前途黯淡。
How've you been?
别来无恙？
'University students set the Embassy on fire this morning.'
“今天上午大学生们放火点着了大使馆。”