Fifth aortic arch的用法和樣例：
例句
- This angiogram demonstrates the aortic arch and great vessels.
血管造影顯示主動(dòng)脈弓和大動(dòng)脈。 - The narrowed segment called coarctation can occur anywhere in the aorta, but is most likely to happen in the segment just after the aortic arch.
狹窄的部分稱(chēng)為縮窄，可發(fā)生在主動(dòng)脈的任何地方，但是最容易發(fā)生在緊接主動(dòng)脈弓后的部分。
