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
Can you tell me what time you close?
您能告诉我关门的时间吗？
Lookers-on see more than players.
旁观者清。
The platforms extend to a depth of over 100 feet under the sea.
平台深入海底100英尺。