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
Well, are you as good a tennis player as your dad?
嗯 ，你是否像爸爸那样是一名优秀的网球选手呢？
Did you watch the new office building being built?
你看过在建设中的新的办公楼吗？
to work or worry about trifling things at the weekend.
在周末再让他们为琐事而动脑子和忧虑。