Jsf
abbr. 联合攻击战斗机（joint strike fighter）
🗣️ 情景例句
Your luggage is all here?
你的行李就这么多吗？
That cat judged the distance before he leapt across the ditch.
猫在越过沟渠以前便判断好其距离了。
How time files! More than a week has passed already!
光阴似箭！已经过了一周多时间了！