Mechanical pencil
01
自动铅笔, 机械铅笔
a pencil with a button on top that can be pushed or turned to get more lead out
Dialect
American
例子
She prefers using a mechanical pencil for writing because it never needs sharpening.
她更喜欢用自动铅笔写字,因为它永远不需要削尖。
The architect used a mechanical pencil to sketch the initial floor plans of the building.
建筑师使用自动铅笔绘制了建筑的初始楼层平面图。



























