risen意思是：升起，（數量）增加，休會。
壹、risen相關短語
1、on the rise.在增加；在上漲。
2、give rise to.使發生，引起。
3、temperature rise.溫升；溫度上升。
4、rise up.上升，起義；叛變。
5、rise and fall.漲落；抑揚。
6、rise from.從?升起，由?復活。
7、rise above.克服；不受?的影響。
8、rise in value.價值升高。
9、rise again.死而復生。
二、例句
1、Perhaps it was because his temperature had risen.
這或許是因為他體溫上升的緣故。
2、Mankind commenced in a state of extreme rudeness from which they had risen by slow and successive steps.
人類是從極端原始的狀況下邁步，而後壹步接著壹步慢慢上升的。