first有1音节: [fɜ:st]The first problem is oil .第一个麻烦是石油。Diet was a first step .控制饮食是第一步。First impressions are always important .第一印象总是重要的。The first is higher incomes .首先是国民收入提高。Commit to paying yourself first .首先承诺付给你自己。
