Koch's tests
[医] 郭霍氏试验(检出血性素质)
🧩 词语组成解析
n. 测验（test的复数）
🗣️ 情景例句
He can really slam it down.
他可真能喝。
How long are you going to stay here?
你要在这里停留多久？
namely 6 million million miles.) Radio waves also travel at the speed of light,
即6万亿英里）。无线电波也是以光速传播的。