Ravenelin
[医] 1,4,8-三羟-3-甲基┱吨酮
🗣️ 情景例句
I can't believe it!
我简直不敢相信！
How long will your offer hold good?
一般你们报盘的有效期是多长？
That all depends on the size of the order.
这要订购量的多寡。