VOA慢速英语:捕鱼限制对马里兰公司是个严峻的问题

treacherous – adj. very dangerous and difficult to deal with

pill – n. a small medicinal or dietary preparation

certification – n. official approval of something

sustainability – n. the ability of some product or resource to be used over a long period of time without being used up

precautionary – adj. something that is done to prevent possible harm in the future

income – n. earnings

custody – n. the legal right to take care of the child