Ffl
abbr. federal firearms license 聯邦輕武器許可證; fixed and flashing 固定并閃光
??? 情景例句
Sure, what do you want?
可以啊。什么事
A wicked book is the wickeder because it cannot repent.
一本壞書危害無窮。
If he had not broken his tooth, he would not be in hospital now.
如果他沒有把牙齒弄壞，現在就不在醫院了。