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
Richard, did you go to the Davis Aerobics class today? Richard
你去上Davis有氧运动健身课了吗？
Teach your grandmother to suck eggs.
班门弄斧。
I had forgotten all about the snails when Robert suddenly said that I must stay to dinner.
我把蜗牛的事已忘得一干二净，罗伯特突然提出一定要我留下来吃晚饭，这才提醒了我。