确实，有一些名字仍然令人费解：外国名字，可能是粗略翻译、改编或缩写的；或人造的名字。

A few names, it is true, will remain puzzling: foreign names, perhaps, crudely translated, adapted or abbreviated; or artificial names.

youdao

它们是自然的或人造的地方。

They are natural or man-made places.

youdao

将熔化的金属倒入由型砂(天然的或人造的)做成铸模腔。

Molten metal is poured into a mold cavity formed out of sand (natural or synthetic).

youdao

But the other reason to go through the thermodynamic cycles and really to develop great facility with them is because there are just an awful lot of things in nature and things that we build that run in cycles, where we want to calculate the thermodynamics, right.

但是要推导热力学,循环并为之发展一套,完善方法的另外一个原因是,自然界中或人造的那些,我们想计算它们的热力学的东西,有很多是以循环的方式运作的。

麻省理工公开课 - 热力学与动力学课程节选