相关单词同義詞key, crux, 近義詞 kingpin 中心立軸, fulcrum （杠杆的）支點..., cornerstone 隅石, hub 中心, essential 本質的, prerequisite 先決條件, sine qua non 必要條件, requirement 必要條件, lynchpin 輪鎋, backbone 脊骨, keystone 拱頂石, mainstay 主要支持, anchor 錨臨近詞Lincoln, Lin, linchpin and gear conduct相似詞limpet, limpet mine, limpid, limy, Lincolnshire, linctus, linden, Lindy hop, 返回 linchpin