B.t.u.
abbr. 英国热量单位（British thermal unit）；英国商务部单位（Board of Trade Unit）
🗣️ 情景例句
Fine. Are you buying a house
好的。你们是要买房子呢？
You're a good dancer.
你舞跳的真好。
Hi, Lin Tao! What are you going to do on Sunday?
嗨，林涛！星期天你打算干啥？