whenadv.什么时候；当 ... 时conj.然后；可是；当 ... 时pron.什么时候n.时间When will he come他什么时候来?When the bell ring铃响时When A Poet Is Mad当诗人疯了When is it on?n.三维力When We Two Parted想从前我们俩分手when life began.当生命开始时When We Were Young恰同学少年When i fall in lov当我坠入爱河when the fit is on当其一时高兴时When A Man Loves A当男人爱