单词：annually 

副词

• 
  [1.r.annually] (同义词:[annually( adv. 一年一次, 每年 )]  [yearly( adj. 每年的 adv. 每年 )]  [every_year]  [each_year]  )
• 
  注释列句：without missing a year; "they travel to China annually"
• 属于名词 -> [annual( n. 一年生植物, 年刊, 年鉴 adj. 一年一次的, 每年的, 一年生的 )] 
  
• 
  [2.r.annually] (同义词:[per_annum( adv. 每年 )]  [p.a.(per annum 每年 )]  [per_year]  [each_year]  [annually( adv. 一年一次, 每年 )]  )
• 
  注释列句：by the year; every year (usually with reference to a sum of money paid or received); "he earned $100,000 per annum"; "we issue six volumes per annum"