roadkillWiktionary 原文构词拆分road词根/词干+kill词根/词干词源说明From road + kill.释义（英文）名词 Noun(chiefly US, automotive) The killing of an animal by a road vehicle.(chiefly US, automotive, uncountable) The animal or animals so killed.(by extension) A helpless victim.词族派生词（1）roadkilled