尺子的英文是ruler。

解釋：ruler英[?ru:l?(r)]美[?rul?]n.統(tǒng)治者; 尺; 直尺;[例句]The ruler cracked and splintered into pieces 尺子裂開了，碎成了小片。His guitar makes a noise like a wooden ruler being twanged upon a desk 他的吉他發(fā)出一聲仿佛木尺彈在課桌上的噪音。There is a pen, a knife and a ruler in the box. 盒子里有一支鋼筆，一把小刀和一把尺子。This is a ruler graduated in both inches and centimetres. 這是一把刻有英寸和公分的尺子。