the ocean floor off the coast of Costa Rica.翻译

the ocean floor off the coast of Costa Rica.翻译 off the coast of mexicos 英语翻译In the south Pacific coastal area of Costa Rica,there is 请翻译：a small island off the coast of Scotland off the southeast coast of mainland .is off the coast of Australia. off the coast located off the coast an island off the west coast of Italy翻译,另外这里的off 怎么理解? on the coast ,off the coast in the coast ,on the coast ,off the coast区别 It's off the east coast of Australia.