Dendrobine
石斛碱
🗣️ 情景例句
I'm sorry, I really don't know.
对不起，我真的不知道。
This window is just as wide as that one.
这扇窗户刚好和那扇一样宽。
When he returned to India he spoke in public about the situation in South Africa.
当他加到印度之后，他还就南非的形势公开发表演说。