Trav
abbr. 末端控制的变风量系统（Terminal Regulated Air Volume）
🗣️ 情景例句
How much did you estimate this job is going to cost us?
你估计这工作要花我们多少钱？
Out!
滚出去！
I'm not guessing，I really know.
我不是在猜想，我真的知道。