it has many teeth but no mouth,what is it

英语谜语,What is it?It has a mouth ahd an ear,But it has no head what has a lot of teeth but no mouth? what has a lot of teeth but no mouth 一个英语谜语what is it?no mouth,but can talk.no ears,but can liste what has a lot of teeth but no mouth?什么有很多牙齿,却没有嘴? very nice,very neat,has teeth,but cann't eat,what is it? Very nice,very neat,Has teeth,but cannot eat.What is it 猜一猜：Very nice,very neat,Has teeth,but can not eat,What is it "Very nice ,very neat,has teeth,but cannot eat.what is it?"的 nice,very neat.Has teeth,but cannot eat.What is it?GHOS! it's a small picture with teeth around it.it has no feet.but it has no legs but it walks day and night what is it