Piotrowski's tests
[医] 皮奥特罗夫斯基氏试验(检蛋白质)
🧩 词语组成解析
n. 测验（test的复数）
🗣️ 情景例句
We propose a change.
我们建议做一下改变。
A blate cat makes a proud mouse.
猫儿腼腆，老鼠翻天。
'He had travelled only seven miles across the Channel when his engine failed and he was forced to land on sea.
但他只在海峡上空飞行7英里，引擎就发生了故障，他只好降落在海面上。