Dihydromenformon
[医] 雌二醇(商品名)
🗣️ 情景例句
Oh, let me help you with this.
来， 我帮你放好。
Do I have to reserve a seat?
我一定要预订座位吗？
It 'flies', therefore, but it cannot fly higher---
这样，船就能飞了，但飞不高。