So Professor Kevin Morgan suggests saying one word over and over again at irregular intervals – irregular in this context means not spaced out evenly.

凯文·摩根教授建议我们不规律地重复一个单词，不规律在这里是指时间间隔不等。

Beyond the trees we came to a gentle slope along which, at irregular intervals, was a

越过树林，我们来到了一个平缓的斜坡，沿着斜坡，不规则地间隔着一条小路。

But the greatest changes made in these relations of fall, pool, and dam are caused, not by the ordinary spring floods, but by extraordinary ones that occur at irregular intervals.

但是，瀑布、水池和水坝的这些关系发生的最大变化，不是由普通的春季洪水引起的，而是由不定期发生的非常大的洪水引起的。

As the tide made, it flapped heavily at irregular intervals against the shore; and whenever such a sound came, one or other of us was sure to start, and look in that direction.

涨潮时，它不规则地拍打着海岸。每当这样的声音传来，我们中的一个或另一个肯定会跳起来，朝那个方向看。

The women servants came in to prayers at irregular intervals, and as each entered, he could not, to save his life, avoid turning his head with the hope that she might be Elfride.

女仆们不定期地进来祈祷， 每次进来时， 为了保住性命， 他都忍不住转过头来， 希望她可能是埃尔弗里德。

It lasts, however, only a few seconds, vanishing with magical rapidity, to be succeeded by others along the fire-line at irregular intervals, tree after tree, upflashing and darting, leaving the trunks and branches scarcely scarred.

然而，它只持续了几秒钟，以神奇的速度消失了，火线上的其他人以不规则的间隔接踵而至，一棵又一棵树，一闪一闪地飞来飞去，几乎没有留下树干和树枝的伤痕。

It lasts, however, only a few seconds, vanishing with magical rapidity, to be succeeded by others along the fire-line at irregular intervals for weeks at a time-tree after tree flashing and darkening, leaving the trunks and branches hardly scarred.

然而，它只持续几秒钟，以神奇的速度消失，然后沿着火线不定期地被其他人接替，持续数周——一棵又一棵树闪烁和变暗，几乎没有留下树干和树枝的疤痕。