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 think you, rather than Jim, are to blame.
我认为该受责备的是你，而不是吉姆。
Thank you very much. Here's $10.00. Give me $1.00 back, please.
太谢谢你了。这是10美元，找我1美元就行了。
We have this item in three price levels.
此一品目，我们分三种等级的价格。