Batf
abbr. 烟酒火器管理局（Bureau of Alcohol Tobacco and Firearms）
🗣️ 情景例句
study for my math final.
温习数学 准备期末考试。
I know the boy whose father is a writer.
我知道那个男孩的父亲是作家。
Centuries ago, the word beeline was made to describe this thin line of bees flying through the air.
几百年前，有人用beeline 这个词来描写蜜蜂在空中飞行的细窄路线。