Nces
abbr. necessary 必需品; 必要的; 必需的; normal curve equivalent scores 标准等效曲线划分
🗣️ 情景例句
I know it well.
我对它熟得很。
I can't do two things at the same time.
我只有一双手。
At night, when you really wish to go to sleep, you rarely manage to do so.
到了夜晚，你真想睡了，却很难入睡。