In economic work, we should pay attention to opening up the source and regulating the flow from time to time.

Birders in the area say that parakeets will visit home bird feeders from time to time.

这一带的猎鸟者称这些鹦鹉有时会“拜访”养鸟人.

To report precisely to head office from time to time.

定期向总部提供准确的项目进展报告.

I can see Hieks at the library from time to time.

我在图书馆有时能看见希克斯.

From time to time, I get a letter from my former student.

有时我会收到以前学生寄来的信.

Perform other duties, assignments, and special projects that may be required from time to time.

完成其他随时可能需要的职责 、 被分配的任务和特殊项目.

Her daughters visited him from time to time when he was ill.

他生病的时候她的女儿们时常去探望他。

Good ideas swim into my mind from time to time.

我大脑中不时地涌出一些好主意。

Ships are laid up, from time to time, for repairs.

船只常常因不能使用而需要修理.

There was a distant look in her eyes from time to time, her thoughts elsewhere.

她眼中时时流露出心不在焉的神情，思绪已飘至别处。

Marx's perspective on modernity a single one but varied from time to time.

马克思对现代性问题的理解,在不同的历史时期观察的视角发生不同的转换.

Keep your head up, and look around you from time to time.

要抬起头，不时看看四周。

From time to time there was a moan of pain from the sick man.

病人不时发出一声声痛苦的呻吟.

Old families need an infusion of new blood from time to time.

古老的家族需要不时地注入新鲜血液.

From time to time we all get a hankering for something a little different.

我们每个人偶尔都会渴望有点变化。

From time to time a little blood dripped on to the breast of his overalls.

血一滴一滴地流到他胸前工作服上.

The temperature varies from time to time.

温度常常变化.

You may find it necessary to readjust the wheels from time to time.

你会发现不时调整轮子很有必要.

From time to time he fired questions at me.

他不时向我提出许多问题.

We searched the house from top to bottom.

我们把那所房子彻底搜寻了一遍.

Finally, brush from top to bottom may soon hit the End.

上面最后刷到从下往上可以很快的撞完.