Pyritum
自然铜
🗣️ 情景例句
Jack, Would you please read this letter of application I've just written?
杰克，你能读一下这封我刚写的求职信吗？
We noticed the noise.
我们注意到了那种声音。
Bessie worked for Aunt Harriet for three years.
贝西在哈丽特家干了3年。