Epibatidine
[医]地棘蛙素
🗣️ 情景例句
When you go to a new school it takes a while to know the ropes.
到一所学校读书要花一段时间熟悉情况。
You have a radio,don't you?
你有一台收音机，对吗？
Let 's go out and have a look at it.
走，我们去看看？