大家在查：西茜 IFA eriahM VF11 定远察尔汗丰荔龙 geobombycis taphole acid tests

protoplanets

美英

n.〔天〕原行星

复数：protoplanets

protoplanets

protoplanets

英-汉英-英网络释义

protoplanets

原行星

是次讲座将会探讨原行星(protoplanets)如何从太阳星云(solar nebula)中从太阳形成时遗留下来的星尘及气体中吸积(accretion) …

1

While the protoplanets were coming into existence the sun was still dark .

当原行星刚刚形成时，太阳还是暗淡无光的。

3

These were the protoplanets from which the planets of the present developed.

这些就是原行星，现在的行星正是从它们演化而来的。

4

In this way the number of protoplanets lessened .

这样 protoplanets 的数量变小了。

5

These protoplanets would gradually exert a gravitational pull on the local volume of space , pulling in more and more material .

这些原行星会逐渐在原太空中施加引力，吸收越来越多的物质。

6

Model suggests how protoplanets kept a safe distance from the sun

动态模拟证明原行星是怎样保持与太阳之间有一个安全的距离。

热词推荐

大家在看