VOA慢速英语:巨大的采矿废料坝可能会致命

stability – n. the quality or state of being not likely to give way or overturn; firmly fixed.

manager – n. someone who is in charge of a business, department or something else

respond – v. to say or write something as an answer to a question or request

catastrophic – adj. involving or causing sudden great damage or suffering

pension – n. an amount of money that a company or the government pays to a person who is old or sick and no longer works

board – n. a group of people who manage or direct a company or organization

standard – n. a level of quality that is considered acceptable or desirable

share – n. any of the equal parts which the ownership of a business is divided into

database – n. a collection of pieces of information that is organized and used on a computer