Deoxycamptothecine
去氧喜树碱
🗣️ 情景例句
I really like this one Susan. Do you?
Susan我真的很喜欢这一件，你呢？
Never put off till tomorrow what you can do today.
今天能做的事绝不要拖到明天。
You'd better let her alone.
你们最好是让她一个人呆会儿。