cross-contaminateWiktionary 原文英美构词拆解cross-前缀+contaminate词干cross-Shaped like a cross or X; crossing lines. · Perpendicular in angle; transverse.词源说明From cross- + contaminate.释义动词verb1transitiveTo transfer a contaminant from one source to another.同族词派生词 1cross-contaminator相关词 2cross-contaminant·cross-contamination