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
I'm so tired I think I'm overtired.
我好累， 我想我是累过头了。
Good words and ill deeds decieve wise men and fools.
话好行为劣，欺骗智和愚。
You never have to travel miles to see your friends.
你去看朋友根本不用跋涉好几英里，