Sifbronze
西夫青铜, 钎焊青铜焊料
🗣️ 情景例句
He is a good speaker of English.
他英语说得非常流利。
He was anxious about his son's safety.
他担心他儿子的安全。
I'll be about half an hour late.
我大概要慢半个小时。