Deoxycamptothecine
去氧喜树碱
🗣️ 情景例句
Marilyn and Richard will be home from the hospital any minute,
Marilyn和Richard随时都会从医院回来，
Did you go swimming yesterday?
你昨天去游泳了吗？
How was this possible?
这种传递是怎样进行的呢？