这儿和现在是被天文学和地质学定义的。

THE here and now are defined by astronomy and geology.

youdao

天文学、地质学、人类历史、火灾生态学都在项目主题的常规清单上。

Astronomy, geology, human history, fire ecology are on the regular schedule of program topics.

youdao

当他们不考虑企鹅的时候，那他们一定是在考虑有关古生物学、天文学、地质学、生物学、物理学或是气象学，或是海洋学。

And when they aren't thinking about them, they're thinking about paleontology, or astronomy, or geology, or biology, or physics, or meteorology, or oceanography.

youdao