VOA慢速英语:美国城市禁止儿童菜单上出现含糖饮料

juice – n. the liquid part that can be squeezed out of vegetables and fruits

contributor – n. someone or something that contributes something or that contributes to something

factor – n. something that helps produce or influence a result: one of the things that cause something to happen

adolescent – n. a young person who is developing into an adult : a young person who is going through adolescence

tripled – v. to cause (something) to become three times as great or as many

challenge – n. a difficult task or problem: something that is hard to do