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
Is it too early to call Mr. Carlson?
现在打电话给Carlson先生会不会太早了？
Liberty often degenerates into lawlessness.
自由随便，经常堕落到无法无天。
If we spend all the money we'll try and win the football pools again.
如果我们花光了所有钱，我们设法在足球赛赌注上再赢一次。