很长时间

This dream usually manifests itself in people who have been out of school for a long time.

做此类梦的人通常是那些已离开学校很长时间的人。

Scientists have been modifying food for some time.

科学家改良食物已经有很长时间了。

For a long time, walls were one of the most natural things in the world.

很长时间，墙是在世界上最自然东西之一。

For Thanksgiving, the most traveled holiday, don't fly out on Wednesday. The price will likely be exorbitant and the wait at the airport ridiculously long.

感恩节假期是最适合旅行的假期时段，不要星期三出行，因为机票价格过高而且可能会在在机场等很长时间。

On the other hand, people have been mucking about with31 plants for a very long time already.

另一方面，人们在植物身上做手脚已经很长时间了。

Those of us who have been using computers for a long time have been conditioned to think that the document Close function is the appropriate way to abandon unwanted changes if we make an error or are simply noodling around.

有过很长时间计算机使用经验的人们已经被动地适应了计算机的思考方式，认为关闭就是一种恰当的功能，可以放弃不想要的修改。

I spent a lot of time observing the movement of the orbits.

我花了很长时间研究天体的运动。

One reason is that it was long overshadowed by the conflict in Iraq.

其一是因为，伊拉克地区的冲突很长时间盖过了它。

"But it pains me," I said,"to find that you both have been panhandling so long that it no longer embarrasses you."

我说，但是当我发现，你们已经乞讨很长时间以至于不再感到尴尬时，感到十分心痛。

He cried a lot, but there was no peeing.

他哭了很长时间，但是没有尿裤子。

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。