Levophanol
[药]左吗南(商品名, 左旋-3-羟-N甲基吗啡烷, 止痛药)
🗣️ 情景例句
Where was that?
在什么地方？
A bird in the hand is worth two in the bush.
双鸟在林不如一鸟在手。
Hi, Ling Feng! That's a nice kite!
喂，凌峰，那个风筝好漂亮。