[in sing.]the route or direction followed by a ship, aircraft, road, or river
（船、飞机、道路或河流的）路线，路径；走向；航向
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the road adopts a tortuous course along the coast 这条路沿着弯弯曲曲的海岸线而建
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the new fleet changed course to join the other ships .新船队为了加入其他舰船而改变了航向。
the way in which something progresses or develops
进展；进程；过程；经过
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the course of history 历史进程。
a procedure adopted to deal with a situation
行动方针；程序；做法
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the wisest course of action is to tackle the problem at source .最明智的做法是从源头上解决问题。
the route of a race or similar sporting event
（赛跑或其他类似比赛项目的）跑道，路线。
a dish, or a set of dishes served together, forming one of the successive parts of a meal
一道菜
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guests are offered a choice of main course 客人可以自行选择主菜
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[in combination]
a four-course meal 一顿有四道菜的饭。
[count noun]an area of land set aside and prepared for racing, golf, or another sport
跑马场；高尔夫球场；球场；比赛场地。
a series, in particular
系列；连续，尤指：
a series of lectures or lessons in a particular subject, typically leading to a qualification
（常指可因此得到资格证书的某一学科的）课程
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a business studies course 商务研究课程。
【医】 疗程
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the doctor prescribed a course of antibiotics .医生开了一个疗程的抗生素。
【鸣钟术】 （使所有钟恢复原来排序的）序列编排；（某枚钟的）排序变动。
【建筑】 （砖、石或其他建筑材料的连续水平）层。
a pursuit of game (especially hares) with greyhounds by sight rather than scent
（凭灵