Bom
abbr. 物料清单（Bill of Materiel）
🗣️ 情景例句
Summer is vacation time.
夏季是度假的好时机。
Do you happen to know Mr. Cooper's telephone number?
你知道库珀先生的电话号码吗？
Excuse me. Where's the nearest post office, please?
请问，最近的邮局在哪儿？