Statistical hypothesis
[计] 统计假设
🧩 词语组成解析
🗣️ 情景例句
What time is it?
现在是什么时间了？
Your English is very good.
你的英语很好。
Later, an operation helped her to get back part of her sight, but she remained at the institution for six years more.
后来，一次手术帮助她恢复了部分视力。但是，她在这所学校又呆了6年。