U-test
u检验
🧩 词语组成解析
🗣️ 情景例句
There is a lot of unsavory material available on the internet.
网络上有很多不健康的信息。
I hope you're enjoying your stay here.
我希望你能在这里过得愉快。
Look at those black clouds. It's going to rain.
看那成堆的乌云，要下雨啦！