Mehu's tests
[医] 梅于氏试验(检尿蛋白质)
🧩 词语组成解析
n. 测验（test的复数）
🗣️ 情景例句
You have to cook dinner for the entire family.
你今晚得替全家做晚餐呢。
Where's the door?
门在哪儿？
All we have to do is sign the contract.
剩下的只要签订个契约就行了。