| 释义 |
〔trail〕The part of a gun carriage that rests or slides on the ground.底板：靠在地面或沿地面滑动的大炮轮架部分〔return〕The key or mechanism on a machine, such as a typewriter or computer, that positions the carriage, cursor, or printing element at the beginning of a new line.换行键：打字机或计算机上的键或装置，在新的一行开始时它将机器轮架、光标或打印部件定位于新的一行的起点位置 |