Fll
[计]= Final Lower Limit,下部终极限
🗣️ 情景例句
Please come and see me in my office on the 20th floor.
请到二十楼我的办公室来见我。
I'm dead!
死定了！
Fish love swimming round the rocks and through holes in them.
鱼喜欢绕着岩石和穿石洞游水。