| 单词 | 四根 |
| 释义 | 〔pantograph〕An instrument for copying a plane figure to a desired scale, consisting of styluses for tracing and copying mounted on four jointed rods in the form of a parallelogram with extended sides.缩放仪：一种按所需的比例复制平面图片的仪器，由用于描绘和复制的描画针组成，描画针置于四根有活节的杆上，四根杆构成可调整边长的平行四边形〔tally〕A mark used in recording a number of acts or objects, most often in series of five, consisting of four vertical lines canceled diagonally or horizontally by a fifth line.计量单位：用来记录许多行为或物体的一种标记，一般以五个为一序列，由四根竖直的线被第五根线对角或水平地划过组成 |
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