Celastrol
[建] 南蛇藤醇
🗣️ 情景例句
Yes, a pediatrician.
是的， 小儿科医师。
I asked him to lend me a book , but he wouldn't.
我请他把书借给我，但是他不肯。
I'm calling about mistake on our last invoice.
我打电话来，是因为上回的发票有错。