Posner's tests
[医] 波斯讷氏试验(检尿白蛋白来源)
🧩 词语组成解析
n. 测验（test的复数）
🗣️ 情景例句
Camping out is such great fun.
露营是件非常好玩的事。
Experience keeps a dear school,but fools learn in no other.
经验学校学费高，愚人旁处学不到。
No, thanks. It's big, but it isn't heavy. It's light.
不用了，谢谢，是大盒子，但不重。很轻。