Fll
[计]= Final Lower Limit,下部终极限
🗣️ 情景例句
Don't be lazy, the older you get, the harder it will be to learn.
别偷懒，年纪越大，学起来就越难。
Oh! That's all right.
哦，不要紧。
This is my shirt.My shirt's blue.
这是我的衬衫。我的衬衫是蓝色的。