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
They are expecting their first child.
他们在怀他们的第一个小孩。
Your history paper is due.
你的历史课作业该缴了。
The man had connected the air-line to a supply line of oxygen, not compressed air.
这个工人把供气管接到了氧气供应管上，而不是接到压缩空气管上。