B.th.u.
abbr. British thermal unit(s)
🗣️ 情景例句
You mean you never do anything yourself?
你意思是你自己不做任何事？
No use asking you.
问你也是白问。
Letters will cost a little more, but they will certainly travel faster.
这样会稍微多花点钱，但肯定是快得多了。