v.阻碍( intervene的第三人称单数 )，出面，插嘴，介于…之间...

A week intervenes between Xmas and New Year's Day.圣诞节与元旦之间相距一周.A week intervenes between Christmas and New Year's Day.圣诞节和元旦相隔一周.I shall leave on Sunday if nothing intervenes.若无什么事情发生的话,我将于星期天动身....

intervenes的音标：...