It is usually made of metal.It is hollow.It is round at one end.It can be very small,small enough to fit in your pocket,or large,but not as large as a car.It is used to make a noise.It can be used to give a signal.Sometimes it's part of an orchestra.Sometimes it is electric and you push a button to make it ring.
根据上面的题 写一个类似的短文 字数与上文差不多
描述一个物品 大家都能猜得到的 不要太难! 文具或生活物品!
谢谢了 用it代替!