| 释义 |
DEFINITIVE EXAMPLES 权威例句〔right circular cone〕The surface generated by a generator passing through a vertex that lies on the perpendicular axis of a circular directrix.直立圆锥：由生成线穿过位于环形准线的垂直轴而生成的表面美国传统〔touch-type〕To engage in typing or type (a document, for example) without having to look at the keyboard, the fingers having been trained to locate the keys by position.盲打：进行打字或打（如一文件），眼睛不看键盘，手指已练就通过位置确定按键的能力美国传统 |