Ffl
abbr. federal firearms license 联邦轻武器许可证; fixed and flashing 固定并闪光
🗣️ 情景例句
Don't go anyplace unsafe.
别去那些不安全的地方。
Buy one get one free.
买一送一。
Yes, it's Bob here. Can you ask him to call me back?
可以，我是鲍勃。你能请他给我回个电话吗？