Unna's pencil
[医] 乌纳氏笔剂, 棒剂
🧩 词语组成解析
🗣️ 情景例句
Birds are good pets, they can wake you up by singing in the morning.
鸟是很好的宠物，它们早上的歌声可以将你从梦中唤醒。
He who does not rise early never does a good day's work.
起身不早，一天的工作难做好。
We always assume that villagers in remote places are friendly and hospitable.
人们总是以为偏僻的地方的村民们热情好客。