Text    

   This is a  swing machine. A sewing machine is an instrument which you use to sew pieces of cloth together. It is a mechanicaldevices for sewing fabric and other materials. These sewing machine are allmade in our country. We have many kinds of sewing machines now. Some of themcan be used for sewing fabrics and pieces of clothes, some of them can be usedfor buttonholes, and some of them can be used for stitching buttons on clothes.This is a sewing machine body. This is a bobbin. A bobbin is a small spool onwhich thread is wound. Here is a bobbin case. That is a needle.Some sewingmachines have been introduced to simplify the work. We use sewing machinesevery day. Sewing machines are our good friends. A good sewing machine canperform more efficiently than a large group of people.

 Notes to the text

1. A sewing machineis an instrument which you use to sew pieces of cloth together.

   缝纫机就是一种将布料缝在一起的机械。

2. …mechanicaldevices 机械装置

3.A bobbin is a smallspool on which thread is wound.

   梭芯是绕线的小线轴

4. Some sewingmachines have been introduced to simplify the work.

   许多缝纫机引进后简化了工作。

5. A good sewingmachine can perform more efficiently than a large group of people.

   一台好的缝纫机的效率超过许多人。