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
Where will you be living during your stay here?
你在此期间打算住哪里？
The snake curls up.
蛇盘成一团。
No, I'm just looking at the menu. Are you hungry?
还没有，我正在看菜单。你饿了吧？