Posner's reaction
[医] 波斯讷氏反应(试验)(检尿白蛋白来源)
🧩 词语组成解析
🗣️ 情景例句
How much do I owe you?
我应付你多少钱？
He who would search for pearls must dive below(or deep).
欲寻珍珠，须潜水下。
The first westerner to discover these islands was an Italian explorer in 1524.
首次发现这些岛屿的西方人是一位意大利探险家，时间是1524年。