n.锐利；明锐度； 英英释义： sharpness[ 'ʃɑ:pnis ]n.a quick and penetrating intelligence同义词：acutenessacuitykeennessthe attribute of urgency同义词：edgea strong odor or taste property"the sharpness of strange spices"同义词：pungencybiteracinessthe quality of being keenly and p