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's always nice to hear, Mr. Marchetta.
听到这事总是好的， Marchetta先生。
He is playing on the see-saw in the yard.
他正在院子里玩跷跷板。
There were no classes this afternoon. My classmates all went to People's Park.
今天下午没有课。同学们都到人民公园去了。