Lava tubes on the moon could become cities

月球熔岩管或可作为人类基地

The tubes form giant caves that are far bigger than those on Earth.

这些熔岩管所形成的洞穴空间比在地球上要大得多。

There was a clutter of bottles and tubes on the shelf.

架子上胡乱堆满了瓶子和管子。

More rarely, the tubes have been malformed from birth.

更罕见的是，这些管道先天畸形。

The lungs are in fact constructed of thousands of tiny tubes.

肺其实是由数千个细小管状器官构成的。

It is very distressing to see your baby attached to tubes and monitors.

看到你的孩子插着管子，连着监控器，真是令人担忧。

During the pupa stage, they do not eat foods but do sit at the surface and breathe air through two small tubes.

在蛹阶段，它们不吃食物，但在水面游动时会靠两个细小的管道呼吸空气。