This surface is also the body's first major line of defense.

皮肤也是身体的第一道防线。

It's a little awkward looking, has these strange body lines, but it was turbine power.

它看上去有点奇怪，奇怪的车身线条，但它是涡轮动力。

In astronomy, a syzygy is a rare event when three or more celestial bodies line up.

在天文学中，朔望是指引力系统中三个天体配置在一条直线的罕见事件。

This surface is also the body’s first major line of defense.

这个表面也是人体的第一道主要防线。

Researchers in the United States reported recently that the virus appears to disarm the body's first line of defense against disease.

美国研究者最近报告称，这些病毒似乎能解除身体对抗疾病的第一道防线。