protoplanet
英式音标：protoplanet怎么读
美式音标：protoplanet怎么读
protoplanet词义
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n. [天] 原行星
protoplanet双语例句
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- 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
protoplanet英文词源
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- protoplanet (n.)
- 1949, from proto- + planet.
protoplanet实用场景例句
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- In the meantime the protoplanet cores were proceeding to consolidate.
- 在此期间,原行星的核开始凝成.
辞典例句