| 单词 | excursions | 
| 释义 | excursionnoun  ex·cur·sion  ik-ˈskər-zhən  1  a    : a going out or forth : expedition    b(1)    : a usually brief pleasure trip    (2)    : a trip at special reduced rates   2   : deviation from a direct, definite, or proper course    especially : digression   needless excursions into abstruse theory  3   : a movement outward and back or from a mean position or axis    also : the distance traversed : amplitude   the excursion of a piston  excursions noun1 as in toursa short trip for pleasure our weekend excursions have encompassed virtually all parts of our home state Synonyms & Similar Words Relevance 
 2 as in tangentsa departure from the subject under consideration the professor's frequent and sometimes far-ranging excursions in his lectures are the stuff of campus legend Synonyms & Similar Words 
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