1. every two…的意思是“每?jī)蓚€(gè)……”，後接複數(shù)名詞。如： He gets home leave every two years. 他每?jī)赡暧幸淮翁接H假。 You must take your medicine every two hours. 你得每?jī)尚r(shí)服葯一次。 I have violin lessons every two weeks. 我每?jī)蓚€(gè)星期上一次小提琴課。 They are all expected to send in a written report every two months. 他們每?jī)蓚€(gè)月都得交一份書(shū)麪報(bào)告。 2. every second…的意思是“每第二個(gè)……”，後接單數(shù)名詞。如： The nurse comes every second day. 護(hù)士每隔一天來(lái)一次。 We meet every second Tuesday. 我們隔周星期二見(jiàn)麪一次。 從以上例句可以看出，every two和every second意思大致相同。另外，我們還可以說(shuō)every other…，意思也差不多。如： Write on every other line. 請(qǐng)隔行寫(xiě)。 We meet every other Tuesday. 我們隔周星期二見(jiàn)麪一次。 I work every other day：Monday, Wednesday and Friday. 我隔天上班：每周一，三，五。