n.
education imparted in a series of lessons or meetings
"he took a course in basket weaving"
同义词：course of studycourse of instructionclass
a connected series of events or actions or developments
"the government took a firm course"
同义词：line
facility consisting of a circumscribed area of land or water laid out for a sport
"the course had only nine holes"; "the course was less than a mile"
a mode of action
"if you persist in that course you will surely fail"; "once a nation is embarked on a course of action it becomes extremely difficult for any retraction to take place"
同义词：course of action
a line or route along which something travels or moves
"the course of the river"
同义词：pathtrack
general line of orientation
"the river takes a southern course"
同义词：trend
part of a meal served at one time
"she prepared a three course meal"
(construction) a layer of masonry
"a course of bricks"
同义词：row
