不时地

Steeple Chases —Horses race on a flat surface and have to jump barriers ①at intervals.

障碍赛—马匹在平地上比赛，并且需要不时地跳跃障碍物。

As the years went by, I saw Florence and her boy every now and then at the office.

在随后的几年里，我不时地和他们在我的诊所里见面。

Have the current foster parent request photos of the new family to show the child frequently .

现在的养父母有没有向新的家庭要来照片，不时地给孩子看（或者用用传统的图画书建议做一个"转移书本"

Saudi Arabia and other big oil producers routinely blame the price on frothy markets, rather than idle wells.

沙特和其它大的石油生产国则不时地谴责鱼龙混杂的市场导致了高油价，而不是闲置的油井。

She spoke of his father who was a university graduate from time to time.

她不时地提到他的父亲，他的父亲是一个大学毕业生。

Petrocarbons are in essence created, due to the flashes of lightning and intense heat due to passage over open volcanoes, and these petrocarbons rain down, afire, at times.

从本质上说，石油碳化物是由于闪电和x行星通过活动的火山形成的。这些石油碳化物着火，不时地像下雨般落下来。

They made an imposing adventure of it, saying, Hist!

他们故意装出一脸惊险，不时地说一声：嘘！

We may find ourselves humming something we like from time to time.

我们会发现自己会不时地哼唱一些自己喜欢的旋律。

Always, it came into my mind time and time again, the smoothness and beauty of it is definitely implacable.

我总会不时地想起它来，在我心里，它的圆润和美丽实在是无法替代的了。

Now and then he improvised an appropriate line.

他不时地临时加上些适当的歌词。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。