Titroscope
滴定式酸碱计
🗣️ 情景例句
I don't.
我没打。
What time do you start work?
你什么时候开始工作？
When work continued, one man lit a cigarette as he was working, but, finding it had a strange taste, he put it out.
随后他们继续干活，一个工人在干活时点燃了一支香烟。可是他觉得有一股怪味，他就把烟灭了。