Levorphanol
[医] 左吗啡(商品名,左旋-3-羟-N-甲基吗啡烷,止痛药)
🗣️ 情景例句
Thanks.
谢谢。
An oak is not felled at one stroke.
万事不能一蹴而就。
But people are often reproached for unpunctuality when their only fault is cutting things fine.
但有些人不准时常常因为掐钟点所致，