Lehre
退火炉
🗣️ 情景例句
I'd like you to meet Audrey and her mother, Mrs. Cooper.
我来向你介绍， Audrey和她母亲 Cooper太太。
Are you free tomorrow?
你明天有空吗？
This is No. 1 Machine Shop. Keep together, please! said Uncle Wang.
“这就是第一机械车间。 请大家靠拢点！”王大叔说。