老师给每个学生发了一支蜡笔用于美术项目。

The teacher handed each student a crayon for the art project.

拿起一支蜡笔。

Pick up a crayon.

一支蜡笔一个水瓶

A crayon a water bottle

每一支蜡笔都是由石油的副产品石蜡做成。

Each and every crayon in a child's Crayola box consists of paraffin wax, a waxy solid made from petroleum.