Hazen's theorem
[医] 黑曾氏定理(净化公共给水可减少因病死亡)
🧩 词语组成解析
🗣️ 情景例句
Aren't you going to admire my new hat?
你难道不想夸夸我的新帽子吗？
She was so stunned, that she couldn't speak.
她惊愕得说不出话来。
Though a little suspicious this time, the policeman gave him the same answer.
虽然那位警察这次有点疑心，但还是对他作了同样的回答。