VOA慢速英语:飓风在波多黎各创造了自然气候变化实验室

tropical – adj. of, relating to, occurring in, or used in the part of the world that is near the equator where the weather is very warm

ecosystem(s) – n. everything that exists in a particular environment

infrared panel(s) – n. a flat device that produces or uses rays of light that cannot be seen and that are longer than rays that produce red light

volt(s) – n. a unit for measuring the force of an electrical current

mirror – n. a piece of glass that reflects images

vapor – n. a substance that is in the form of a gas or that consists of very small drops or particles mixed with the air

emission(s) – n. the act of producing or sending out something such as energy or gas from a source

scenario(s) – n. a description of what could possibly happen

monitor(ing) – v. to watch, observe, listen to, or check something for a special purpose over a period of time

challenge(s) – n. a difficult task or problem

opportunities – n. an amount of time or a situation in which something can be done