VOA慢速英语:联合国报告称地球的臭氧层正在愈合

layer – n. an amount of something that is spread over an area

aerosol spray(s) – n. a substance that is kept in a container under pressure and that is released as a stream of very small drops when a button is pressed

coolant(s) – n. a liquid that is used to cool an engine or machine

ultraviolet ray(s) – n. rays of light that cannot be seen and that are slightly shorter than the rays of violet light

hemisphere – n. a half of the Earth

depleting – v. greatly reducing the amount of something

greenhouse gas(es) – n. any gas that adds to global warming by trapping infrared radiation

replace(d) – v. to be used instead of something

amendment – n. a change in the words or meaning of a law or document

victory lap – idm. a celebratory act