1. The students littered their classroom. 学生们在教室乱扔东西。
2. If you see a $10 bill on the pavement, it is probably a piece of litter that looks like a $10 bill. 如果你看到人行道上有张10美元的钞票，很可能只是一张纸屑，看起来像10美元钞票而已。
3. Examples are government furniture, staff uniforms and accoutrements, litter containers, mailboxes and brief cases. 产品计有政府家具、职员制服和装备、废纸箱、邮箱及公事包等。
英英解释
n.
1. the offspring at one birth of a multiparous mammal
2. rubbish carelessly dropped or left about (especially in public places)
3. conveyance consisting of a chair or bed carried on two poles by bearers
4. material used to provide a bed for animals v.
1. strew
2. make a place messy by strewing garbage around
3. give birth to a litter of animals
