“Nemesis”的概念、定义、翻译、参考文献-科学参考

单词	Nemesis
释义	Nemesis [`nem·ǝ·sǝs] ^ASTRONOMY A hypothetical, undetected, brown-dwarf companion of the sun, in a highly elongated orbit that would cause cometary material in Oort's Cloud to fall toward the inner region of the solar system approximately once every 2.8 × 10⁷ years.
随便看	subsequent drainage subsequent fold subsequent stream subsequent valley subsere subset subshell subsidence subsidence break subsidence inversion subsidiary conduit subsidiary fracture subsidiary transport subsieve analysis subsieve fraction subsoil subsoil ice subsolar point subsolvus subsonic subsonic flight subsonic flow subsonic inlet subsonic nozzle subsonic speed

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