Electrofilter
[医] 电滤器
🗣️ 情景例句
I have been talking to a group of salesmen
我一直在与一群推销人员谈话
He's the youngest in the family.
他是一家中最小的。
Boxing matches were very popular in England two hundred years ago.
两百年前，拳击比赛在英国非常盛行。