Stern's test
[医] 斯特恩氏试验(乏色曼氏反应改良法及检孕)
🧩 词语组成解析
🗣️ 情景例句
Why did you stop working?
你为什么要退休？
He may well be contented who need neither borrow nor flatter.
一个既不用借债又不用奉承人的人，可以称得上心满意足。
It is thought that they arrived more than 30,000 years ago by crossing a land bridge from Asia to America.
他们被认为是在3万多年以前从亚洲跨越一座陆桥来到美洲的。