单词	to be struck dumb
释义	to be struck dumb 一下子楞住了
随便看	nanometer antibiotic material nanometer antibiotic plastic nanometer antimicrobial plastic nanometer antiwear agents nanometer aperture nanometer array nanometer arsenic Nano-meter Attapulgite nanometer attired carbon nanometer Au nanometer auxiliaries nanometer barite nanometer bimetallic particles nano meter biomaterial nanometer bismuth oxide nanometer cadmium sulfide nanometercalcium carbonate nanometer calcium carbonate Nano-meter Calcium Carbonate nanometer carbon black nano meter carbon black nanometer carbon powder nanometer carbon white nanometer carrier nanometer catalyst