Flsa
abbr. 公平劳动标准法（Fair Labor Standards Act）
🗣️ 情景例句
Shells she sells on the seashore are seashells I am sure.
我敢肯定她在海边卖的贝壳是海贝。
I'm not sure what time I'm coming back.
我不肯定我什么时间回来。
So the number of stars that we know exist is now estimated at about 300 million million million.
因此，我们所知道的现有恒星数目估计约有30亿×1000亿颗。