Bom
abbr. 物料清单（Bill of Materiel）
🗣️ 情景例句
What would you like to eat?
你们要吃点什么？
How much do you charge for sending a cable transfer to London?
发一张到伦敦的电汇，要收费多少？
I guessed, extremely old.
我猜测是极古老的东西。