Oestrane
[化] 雌烷; 雌甾烷\\n[医] 雌烷
🗣️ 情景例句
The plan is a simple one.
计划很简单。
On a crowded train, one comes in contact with many people.
在拥挤的火车里面，会和许多人接触。
I'm sorry, but this week isn't very convenient for me.
对不起，这个星期我都不方便。