Sinostemonine
华百部碱
🗣️ 情景例句
having to take care of the baby all weekend.
整个周末照顾孩子。
Is this book his?
这本书是他的吗？
It's about the universe. The speaker's supposed to be excellent.
是关于宇宙的。演讲人应该是一流的吧。