Bec
abbr. 雇员伤亡赔偿局（Bureau of Employees' Compensation）；商务英语证书（Business English Certificate）
🗣️ 情景例句
The musicians. The dancers--in the parks and on the streets.
音乐家啦 ，在公园或街头跳舞的人啦。
He who is afraid of asking is ashamed of learning.
害怕问者耻于学。
of supplying sufficient details to enable the thing to be constructed.
而且向它提供制造核弹的细节，