Permet
珀米塔铜镍钴永磁合金
🗣️ 情景例句
We have around 3,000 workers.
大约有3000名职工。
My grandparents live in the house next door.
我的祖父母住在隔壁的房子里。
You haven't finished your lunch!
你没吃完午饭！