Undesulfured
未脱硫的
🗣️ 情景例句
We want to keep customers happy.
我们必须让顾客满意。
Did you send it to him yourself?
你自己亲自送给他吗？
Oh, hi, Jim! What are you going to do next week?
噢，你好，吉姆！你打算下星期做什么？