VOA慢速英语:Peace and Quiet at Isle Royale National Park(翻译)

rough - adj. not calm : having large waves, strong winds, storms, etc.

reminder - n. something that causes you to remember or to think about something

commercial - adj. related to or used in the buying and selling of goods and services

maritime - adj. of or relating to sailing on the sea or doing business (such as trading) by sea

predatory - adj. living by killing and eating other animals

prey - n. an animal that is hunted or killed by another animal for food

solitude - n. a state or situation in which you are alone usually because you want to be