U-test
u检验
🧩 词语组成解析
🗣️ 情景例句
I'm calling for your assistance.
我打电话是要您帮助我。
When the dog needs a bath, he begins to stink.
当那条狗想要入浴的时候，已经开始发臭了。
On his arrival he was sold to a farmer and worked in the fields.
一到美国，他就被卖给了一个农场主，到地里干活。