Statistical hypothesis
[计] 统计假设
🧩 词语组成解析
🗣️ 情景例句
That sounds a good idea. Thank you.
好主意！谢谢你。
It's a pen.
是支笔。
In a short time I was busy mixing butter and flour and my hands were soon covered with sticky pastry.
不一会儿我就忙着调拌起了黄油和面粉，很快我的手上就沾满了粘粘的面糊。