airtightness test
基本释义
气密试验
实用场景例句
校园生活
The cop on campus helped solve the dispute between students.
校园警察帮助解决了学生间的纠纷。
法律场景
The cop stopped the car for speeding.
警察因超速拦下了这辆车。
社会活动
The cop reported the suspicious activity to the headquarters.
警察将可疑活动报告给总部。
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