Arb
abbr. 空气资源委员会（Air Resources Board）；航空注册局（Air Registration Board）；航空研究局（Air Pesearch Bureau）
🗣️ 情景例句
Richard, did you go to the Davis Aerobics class today? Richard
你去上Davis有氧运动健身课了吗？
The best fish swim near the bottom.
好鱼游水底。
He and his staff began throwing furniture out of the window.
他与店员动手向窗外投掷