held only once every 10 years 的中文意思是什么?

held only once every 10 years 的中文意思是什么? BE HELD EVERY 4 YEARS be held once for four years EVERY的中文意思是什么 at once 的中文意思是什么? Once in Every Life中文意思 once的中文意思 hand-held 的意思是什么? Only lust这个词的中文意思是什么 every two days的中文意思是什么 They are held every four years. their birthdays only come _____ four years是填each,every还是once Some people can only meet once a lifetime的中文意思