U-test
u检验
🧩 词语组成解析
🗣️ 情景例句
Floors one to eight are the elevators to the left.
一到八楼上下使用的电梯在左边。
Lots of people like stamp collecting.
许多人喜欢集邮。
The basic model will cost about 10% less.
基本型的便宜约10%左右。