Cohen's test
[医] 蔻因氏试验(检白蛋白)
🧩 词语组成解析
🗣️ 情景例句
Come in.
请进。
Beggars must (should) be no choosers.
行乞的哪能挑肥拣瘦；饥不择食。
Imagine a railway station, a bus company or a cinema, which many people need to ring to find out the times of trains, buses or films.
想一想，有许多人需要打电话到火车站、汽车公司或电影院，以便弄清火车、汽车的起始时间或电影放映的时间吧。