protoplanets

protoplanets

 英

  • n.〔天〕原行星

詞形變化

復數:protoplanets  

英漢解釋

n.
1.
〔天〕原行星

英英解釋

n.

例句

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

行星剛剛形成太陽暗淡無光

When protoplanets accrete more material, the energy at impact causes local heating.

行星增加更多物質撞擊能量會造成局部加熱

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

這些就是行星現在行星正是它們演化

In this way the number of protoplanets lessened.

這樣protoplanets數量

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

這些行星逐漸太空施加引力吸收越來越多物質

Model suggests how protoplanets kept a safe distance from the sun

動態模擬證明行星怎樣保持太陽之間一個安全距離