protoplanets
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英 
詞形變化
復數:protoplanets
英漢解釋
英英解釋
例句
While the protoplanets were coming into existence the sun was still dark.
當原行星剛剛形成時,太陽還是暗淡無光的。
When protoplanets accrete more material, the energy at impact causes local heating.
當微行星增加更多的物質,撞擊的能量會造成局部的加熱。
These were the protoplanets from which the planets of the present developed.
這些就是原行星,現在的行星正是從它們演化而來的。
In this way the number of protoplanets lessened.
這樣protoplanets的數量變小了。
These protoplanets would gradually exert a gravitational pull on the local volume of space, pulling in more and more material.
這些原行星會逐漸在原太空中施加引力,吸收越來越多的物質。
Model suggests how protoplanets kept a safe distance from the sun
動態模擬證明原行星是怎樣保持與太陽之間有一個安全的距離。