So 1492 ,of course, Columbus sails the ocean blue to America.
1492年哥伦布远航美洲。
In this way the ship could set a straight course even in the middle of the ocean.
用这种方法可以设定船舶直线路线，即使在大海中间。
The course is surrounded by ocean and mountains.
该俱乐部被海洋和山脉包围。
When swimming in the ocean, the usual course traverses down and back along the beach.
当在海洋中游泳时，通常航线遍历下来又游回海滩。
When swimming in the ocean, the usual course traverses down and back along the beach.
当在海洋中游泳时，通常航线遍历下来又游回海滩。
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