Fepp
[医][=free erythrocyte protoporphyrin]游离红细胞原卟啉
🗣️ 情景例句
You can't expect to learn a foreign language in a week.
别指望一个星期就能学会一门外语。
Do you have my pencil?
你拿了我的铅笔吗？
Last summer, I went to Italy.
去年夏天，我去了意大利。