Levo-dromoran
[医] 左吗南(商品名,左旋-3-羟-N-甲[基]吗啡烷)
🧩 词语组成解析
a. 左旋的
🗣️ 情景例句
Closed for repairs.
关门整修。
He went to the post office to mail a letter.
他去了邮局寄信。
Do you know what they are?
你知道他们是干什么的吗？