Bca
abbr. 波音民用飞机集团（Boeing Commercial Airplanes）；美国台球联会（Billiard Congress of America）；（新西兰）商业与管理学士（Bachelor of Commerce and Administration）；总线周期精确（Bus Cycle Accurate）
🗣️ 情景例句
We are.
我们呀。
Hey you! Don't touch that picture!
喂，你！别碰那幅画！
When he learnt that he would be sent abroad, he returned to the farm and his father hid him until the end of the war.
当他了解自己将被派遣出国时，他逃回农场，父亲把他藏了起来，直到战争结束。