Premixer
[化] 预混合器
🗣️ 情景例句
She has the ability to keep calm in an emergency.
她有处变不惊的本事。
I would like to call a gardener to come this afternoon.
我要叫一个园丁今天下午来。
This is a bus stop. The people are waiting for a bus. They are stand in line.
这是一个公共汽车站。人们在等车。他们站成行。