and they have not a dreary commitment to mean ambitions or love of comfort.

他们既不追逐卑鄙的名利，也不贪图生活的舒适。

and without giving any consideration to the effects produced on the individuals and on their descendants by the artificial mode of existence imposed by the factory.

工厂把一种人为的生存方式强加给工人，却不顾及这种生存方式给工人及其后代带来的影响。

that bodies and the can be rapidly covered over and preserved.

尸体之类的东西才能被迅速地覆盖而保存下来。

its action depends on the surface, water or ground, over which it rides.

它的飞行取决于它所悬浮的水面或地面。

And it should not be forgotten how small those resources are in a poor and backward country.

不应忘记，在一个贫穷落后的国家里，那部分财力是很有限的。

Portable boiling elements that can boil small quantities of water are useful when the right voltage of electricity is available.

如果有相配的电压，可以煮少量水的便携式热水装置是有用的。