单词	cross-back
释义	cross-back noun " 1 : the act or action of breeding back a crossbred individual to one of the parent breeds 2 : the offspring of such breeding Word History Etymology from cross back, verb
随便看	Tracheata tracheate tracheated tracheates tracheation tracheid tracheides tracheids tracheitis tracheitises trachel- trachelate trachelia trachelion trachelium trachelo- trachelo-occipital trachelomastoid trachelosperma Trachelospermum trachelospermums tracheo- tracheobronchial tracheolar tracheole

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