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
I want to buy shares in multi-national pharmaceutical company.
我想购买一家跨国医药公司的股票。
Whose responsibility are the shipment charges?
运费由谁来负责呢？
I'm sure you will!
我相信你会的！