英语语法分析

Aortas with mild, moderate, and severe atherosclerosis, gross.

大动脉轻，中，重度动脉粥样硬化(大体)。

Twenty weeks later the researchers again measured plaque in the mouse aortas.

二十周之后，研究人员重新测量老鼠动脉上的栓塞。

Three aortas are shown to demonstrate mild, moderate, and severe atherosclerosis from bottom to top.

从下到上依次是主动脉轻、中、重度粥样硬化的大体标本。