The ruler cracked and splintered into pieces.尺子裂开了，碎成了小片。This is a ruler graduated in both inches and centimetres.这是一把刻有英寸和厘米的尺子.Align the ruler and the middle of the paper.使尺子与纸张的中部成一条直线....
This ruler has one scale in centimeters and another in inches.这把尺有厘米和英寸两种刻度.During that time Pericles was the best - known ruler of Athens.这个时期伯利克利斯是雅典最著名的统治者.The imprecision of the ruler gave him a lot of trouble.尺子的不精确...