Aortic spine
[医] 主动脉梭
🧩 词语组成解析
a. 主动脉的\\n[医] 主动脉的
spine
[spain]
n. 脊柱;脊椎;（动植物的）刺;书脊;
🗣️ 情景例句
We have two and a half hours.
还有两个半小时。
I don't know what I should have done without your help.
要不是您的帮助，我真不知道该怎么办。
You're impossible.
你真不可救药。