Nbcu
abbr. National Bureau of Casualty Underwriters 国家伤亡保险局
🗣️ 情景例句
I'm tired of working all day.
我厌倦整天工作。
Hang on, please.
请等一下。
Did you leave it in water before you washed it?
在洗它之前您是不是把它泡在水里了？