它们有很多层，它们能够飞越宇宙。

They are layered, and they can fly all across the Universe.

youdao

在太阳系中漫游的宇宙飞船当其靠近地球作低空飞越时，会加上一个额外速度。

Such fly-bys give spacecraft a whip-crack of extra speed【3】 on their tour through the solar system.

youdao

在太阳系中漫游的宇宙飞船当其靠近地球作低空飞越时，会加上一个额外速度。

Such fly-bys give spacecraft a whip-crack of extra speed【3】 on their tour through the solar system.

youdao