sharpen 'ʃɑ:pn
释义
vt. 使尖锐, 使敏捷, 加重, 削尖
vi. 尖锐化, 变锋利
英文释义
v. make sharp or sharper
v. make crisp or more crisp and precise
v. become sharp or sharper
v. make (images or sounds) sharp or sharper
词形变化
过去分词: sharpened 现在分词: sharpening 过去式: sharpened 第三人称单数: sharpens
BNC词频排名: 7,542 | 当代语料库词频排名: 8,298