protoplanet
['prəutəu,plænit]
n. [天] 原行星
英文词源
protoplanet (n.)
1949, from proto- + planet.
双语例句
1. In the meantime the protoplanet cores were proceeding to consolidate.
在此期间,原行星的核开始凝成.
来自辞典例句
带protoplanet字词语
带protoplanet字成语
['prəutəu,plænit]
n. [天] 原行星
protoplanet (n.)
1949, from proto- + planet.
1. In the meantime the protoplanet cores were proceeding to consolidate.
在此期间,原行星的核开始凝成.
来自辞典例句