Bfs
abbr. 宽度优先搜索（breadth first search）；油压缓冲器开关
🗣️ 情景例句
the music, the concerts.
音乐，音乐会。
Things unreasonable are never durable.
不合理的事不会持久。
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。