粉红色的尺子

cab rank rules───n.不可拒聘原则

cab rank rule───n.不可拒聘原则

a pen pusher───推笔人

chain rule───链规则；[数]链式法则

chain rules───链规则；[数]链式法则

ink roller───油墨滚筒

ink rubber───油墨橡胶

spinnerule───吐司管

spinnerules───喷丝孔

I have a beautiful pencil case, the inside of the study are colorful, there is a blue rubber, three white pen, a black ball point pen, have a pink ruler and two green pencil, I like them very much!───我有一个非常漂亮的铅笔盒，里面的学具都是五颜六色的，里面有蓝色的橡皮，三支白色的钢笔，一只黑色的圆珠笔，有一把粉红色的尺子和两只绿色的铅笔，我非常喜欢它们！