Porter's tests
[医] 波特尔氏试验(检尿蓝母,过量尿酸)
🧩 词语组成解析
n. 测验（test的复数）
🗣️ 情景例句
May I use the phone?
我可以用电话吗
If he doesn't , will you take one?
如果他不，你会拿一个吗？
They help their parents to open their stockings, too.
他们还帮助父母打开他们的袜子。