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
You look very young. How old are you?
你看起来真年轻， 你多大了？
He insisted that we all be in his office at one o'clock.
他要求大家一点钟到他的办公室。[大学英语四级]
What was the name of the book? asked Miss Yang.
“书名是什么？”杨小姐问。