planetoidal
常见例句
- Sitchen says this planetoid named Nibiru.
西特切说这颗小行星的名字为尼比奴。 - The Mars sized planetoid is approaching proto-Earth.
火星般大小的行星正在接近原始地球。 - This image shows the Mars-sized planetoid approaching proto-Earth.
该图显示的是一火星般大小的行星正在接近原始地球。 - There is a maximum size that mountains can attain that gets smaller as the planetoid gets more massive.
(山体能达到的高度是有限度的,而且小行星引力越大,山体能达到的高度就越低。) - Astronomers examining Hubble Space Telescope images of distant Sedna say the planetoid is even more mysterious than they first thought.
仔细查看了哈勃太空望远镜发回的远行星Sedna的照片后,天文学家们说,这颗小行星比他们最初想象的更神秘。 - Some 4.4 billion years ago, for example, a Mars-size planetoid seems to have struck our young planet, throwing out enough debris to create our moon.
举例来说,44亿年前,可能有一枚火星大小的小行星撞击诞生不久的地球,抛出的碎片形成了现在的月球。 返回 planetoidal