Isodef
等少量百分率线
🗣️ 情景例句
She's never been happier.
她从来没有像现在这样快乐过。
Tickle-tickle.
咯吱！咯吱！
Precautions of this sort are necessary, for it is impossible to foretell the exact nature of the difficulties which will confront the pot-holer.
作出这样的准备是必要的，因为无法预见到洞穴探险者究竟会遇到什么性质的困难。