Nagel's tests
[医] 纳格耳氏试验(检色彩视力)
🧩 词语组成解析
n. 测验（test的复数）
🗣️ 情景例句
Come on, you can make it.
振作起来，你一定行。
Better pills may have wholesome effects.
良药苦口。
What should I do?
我该怎么办？