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
It's for babies.
这是给婴儿玩的。
Please make yourself at home.
请随意一点。
We had lost the path and had no hope of finding it again.
我们找不到那条小路，而且也没有希望再找到它了。