单词查询
protostar
释义
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n. 〔天〕原恒星； 网络释义： 星空战机；战斗空形战；流星；
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。
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。