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
so I asked her to be Mrs. Pete Waters.
所以我请求她成为Pete Waters夫人。
A thousand friends are few, one enemy is too many.
朋友千人尚觉少，仇敌一人犹嫌多。
It is about two hundred metres from his home.
汽车站离他家二百米左右。