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
How did the test turn out?
考试结果怎样？
First impressions are most lasting.
最初的印象最为持久。
If you want to send a letter to an office abroad that is in a different time zone, you can send a fax, and it will be received even though the office is not open.
如果你要寄信到不同时区的国外办公室，你可以发个传真，即使办公室不开门，信也会被收到。