Perthes' tests
[医] 佩特兹氏试验(检静脉曲张的侧支循环)
🧩 词语组成解析
n. 测验（test的复数）
🗣️ 情景例句
We are.
我们呀。
Good try, but not quite right.
是个很好的尝试，但并不完全正确。
Which may keep company with the vessel for an hour without visible or more than occasional movement of wing.
它们随船飞行一小时也难得见其扇动一下翅膀。