occur

发生；出现；存在英释vvto happen

1 occur as,以...的形式出现

2 occur for,发生在…时候

1 A third of accidental deaths occur in the home..有三分之一的意外死亡发生在家里。

2 The explosion occurred at 5.30 a.m..爆炸发生在清晨5点30分。