Racuum
[机] 真空
🗣️ 情景例句
I fold the fliers.
我摺传单。
Mr. Jones is a renowned international authority on the problem of overpopulation in developing countries.
琼斯先生在发展中国家人口过剩问题方面是声誉卓著的国际权威。
Oh, it doesn't matter!
噢，没关系！