1、意为“当……时候,和……同时”,引导时间状语从句 。例如:While I was watching TV,the bell rang 。(我看电视时,铃响了 。)Tom watched TV while she ate her supper 。(汤姆边吃晚饭边看电视 。)
2、意为“虽然,尽管”,引导让步状语从句 。例如:While it was late,he went on studying 。(虽然很晚了,但他还在继续工作 。)While he is in poor health,he works hard 。(虽然他身体不好,但他还是努力工作 。)
【while三种意思造句 while的三种意思】3、连接两个并列句子,表示“对比”关系 。例如:He went out for a walk , while I stayed at home 。(他出去散步了,而我却呆在家里 。)