Scedasticity
离中趋势; 方差性
🗣️ 情景例句
Take care of yourself.
多保重。
Sorry, can I see her before Friday?
对不起，我能周五之前见她吗？
Oh dear! Where can I go if I want to smoke a cigarette?
天啊！我该到什么地方吸烟呢？