名詞 pantograph:

1. mechanical device used to copy a figure or plan on a different scale

pan.to.graph

n.（名詞）
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.
縮放儀：一種按所需的比例復制平面圖片的儀器，由用于描繪和復制的描畫針組成，描畫針置于四根有活節(jié)的桿上，四根桿構(gòu)成可調(diào)整邊長的平行四邊形
A similarly jointed framework, such as a power-collecting trolley on an electric locomotive or an extensible telephone arm.
動臂裝置：同樣構(gòu)造的有活節(jié)的結(jié)構(gòu)，如電力火車上的電力機車或可伸性電話臂

來源：
Greek panto- [all] from pas pant- * see pan-
希臘語 panto- [全] 源自 pas pant- *參見 pan-
-graph
-graph

【引伸】
pan.tograph.ic
adj.（形容詞）