Pollak's tests
[医] 波拉克氏试验(检尿中黑素)
🧩 词语组成解析
n. 测验（test的复数）
🗣️ 情景例句
Thank you.
谢谢。
He is also very fond of playing tennis and manages to find time for a game twice a week.
他非常喜欢打网球，每周总要抽时间打两次。
I'm afraid some people forgot to sweep the floor.
它不如平时干净，恐怕是一些人忘记扫地了。