sometimes (同義詞組)_at time__ 另外補充幾個:occationallyfrom time to timenow and thenat whiles for time to time on occasion 以上都是“有時候”的意思。都可作爲sometimes的近義詞。例句：Sometimes defeat is snatched from the jaws of tionally， some programs are interesting but most of the time they're rubbish. 偶爾節目很有意思，但大多數情況下垃圾。
As you can see， we HAs alternating currents. Sometimes it works and at whiles it doesn't. 你們都清楚，咱們用的是溝通電，有時任務，有時不任務
