compn.<俚> 免费票v.伴奏abbr.综合中学(=comprehensive)abbr.比赛(=competition)abbr.补偿(=compensation)compenase青霉素酶

1. This is a room with good ventilation.
   这是个通风良好的房间。
2. Close all accommodation doors and shut ventilation.
   关闭起居处所的门，切断通风。