adj. 
倾的,倒退的
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interceptor,
intercerebral,
intercession,
intercessor,
intercessory,
interchange,
interchange ability,
interchangeability,
interchangeabilty,
interchangeable,
相似单词
retrovaccine,
retroverse,
retroversioflexion,
retroversion,
retrovert,
retroverted,
retrovirus,
retrude,
retrusion,
retrusive,