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
Oh no! It's five thirty.
哎呀 已经五点半了。
A word spoken is an arrow let fly.
一言既出，驷马难追。
Then they brushed ink onto the characters.
接着，把墨汁刷在字上。