Helcomenia
[医] [月]经期溃疡
🗣️ 情景例句
You had better study hard.
你最好努力学习。
The tour will take about an hour and a half. We ought to be back here by 3:00.
参观大概要一个半小时，3点钟以前回到这里。
When you rescued your trousers, did note in your back pocket? When you rescued your trousers, did you find the note was whiter than white?
当你把裤子抢救出来时，你有没有发现那张纸币已经变得比白纸还白？