近义词
n. 
词
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gravireceptor,
Gravisat,
graviscalar,
gravisphere,
gravistatic,
gravitacheometer,
gravitas,
gravitate,
gravitating,
gravitation,
相似单词
background,
background level,
background noise,
background processing,
background radiation,
backgrounder,
backhand,
backhand stroke,
backhanded,
backhander,