Weiss's reaction
[医] 魏斯氏反应(尿色素原反应)
🧩 词语组成解析
🗣️ 情景例句
That sounds very nice. When will it be?
听起来真不错，什么时候呢？
How long does it take for a letter to get to California ?
一封信到加利福尼亚要花多长时间？
I don't know, she says.
她说“我不知道”。