Aortic sac
[医] 动脉球囊
🧩 词语组成解析
a. 主动脉的\\n[医] 主动脉的
sac
[sæk]
n. （动植物组织中的）囊，液囊;
abbr. 缩写 = (US) Strategic Air Command 战略空军司令部。;
🗣️ 情景例句
I've read your application materials with interest.
我很有兴趣地看了你的申请材料。
May I use the telephone?
我能用一下电话吗？
One moment we were walking along the top of a hill and now we could see no more than about thirty metres ahead of us.
一时间我们还在山顶上行走，而现在30公尺开外的地方我们都看不清了。