Vacuum aspiration
[医]真空吸引术
🧩 词语组成解析
🗣️ 情景例句
They concluded that the goods were of good quality and proved no problem.
他们断定货物质地优良，并证明没有任何问题。
Just to be on the safe side.
为安全起见。
There was a big civil rights march through the centre of Birmingham yesterday.
昨天大规模的民权示威游行经过伯明翰市中心。