Balfin
氟草胺
🗣️ 情景例句
What's your telephone number?
你的电话号码是多少？
He is working on a book about the Vietnam War.
他正在写一本关于越战的书。
Good morning. I am. Everyone is here. No one is away.
早上好。我值日。大家都来了。没有人缺席。