protostar

单词protostar

基本解释

n.: 〔天〕原恒星
网络: 星空战机；战斗空形战；流星

英汉解释

• 〔天〕原恒星

词性分析

• 复数：protostars

例句

• The conditions in a protostar resemble far more closely in situation in red giants, most of whose volume is caught up in stormy convection .

  原恒星的条件更加类似于红巨星的情形，红巨星体积的大部分都卷入剧烈的对流中。

• It was compressed enough to become a protostar but enough material was left over to form planets, moons, asteroids and comets.

  压力足够使之形成一颗恒星，剩下的物质形成了行星，卫星，小行星和彗星。

• The embryo inside the protostar is less massive than the envelope; most of the mass is still falling inward.

  原恒星内部的胚胎的质量比包壳小，大部分物质一直在朝中心落去。

• Models of protostar also show that they will have

  原恒星的理论模型显示它们会有