Porter's sign
[医] 波特尔氏征, 奥利佛氏征(见于主动脉弓动脉瘤)
🧩 词语组成解析
🗣️ 情景例句
I'm not doing anything.
我没有要做什么。
I get into bed at about 11:30 and go right off to sleep.
我大约在11:30上床并且睡觉。
Take your time.
慢慢来。