Deoxycamptothecine
去氧喜树碱
🗣️ 情景例句
In fact, that is the reason why I'm here to see you.
事实上 这是我来见你的原因。
Is that a book?
那是一本书吗？
Could I have your latest catalogues or something that tells me about your company?
可以给我一些贵公司最近的商品价格目录表或者一些有关说明资料吗？