cassingham 基本例句 n.卡辛厄姆 A Dvorak user since the 1980s, Randy Cassingham wrote a book about its history, called “ Dvorak Keyboard: The Ergonomically Designed Keyboard, Now an American Standard.” Randy Cassingham，一个从20世纪80年代就开始用 DVORAK键盘的用户，写了一本关于这款键盘历史的书“ DVORAK键盘：人体工学的键盘，现在的美国标准”。 yeeyan