Trav
abbr. 末端控制的变风量系统（Terminal Regulated Air Volume）
🗣️ 情景例句
If you go camping, at night you'll hear all the nocturnal animals.
如果你去野营，晚上可以听到动物的夜歌。
Our sweetest songs are those that tell of saddest thought.
最甜美的的歌是诉说最悲伤的哀思。
I did not fancy the idea and I reluctantly followed Robert out of the room.
我并不喜欢这个主意，所以我勉强跟着罗伯特走进了起居室。