短語詞組短語every fifth year 每隔五年every y year 每年Every Half Year 每半年;每半年一次Every Election Year 每逢大選年Every Academic Year 每一大學(xué)學(xué)年Once every few year 數(shù)年間出現(xiàn)數(shù)次every other year 每隔一年;每兩年every fourth year 每第四年 返回 every year