正在用

We use the present perfect tense to talk about things that started in the past and continue to the present.

我们用现在完成时来谈论一些过去的某一时间开始饿。而现在正在继续的事情

To denote what is going on at the present moment, we commonly use the present progressive, generally associated with durative dynamic verbs.

表示说话时正在进行的动作：表示现在在做什么，通常要用现在进行体；能用于进行体的动词一般都表示持续动作的动态动词。

Rocky Mountains. A similar approach is being used to analyze the producibility of natural gas hydrates – methane trapped in ice in arctic regions and beneath sea beds.

类似的做法正在被用来分析天然气水合物的可生产性-甲烷被困在北极地区和海床以下的冰里面。

The family were enjoying a day out when the curious elephant wrapped its trunk around the pushchair.

这一家人当时正在享受出游之乐，但这只好奇的大象竟用长鼻卷起他们的婴儿车。

And to a certain application, if interfacial demand is higher, not plan cost, that can use Flash/Flex actually Flex/OpenLaszlo also not likely doorsill has many low, not likely is familiar with JavaScript with respect to very can quick start I want Push information how to do to front Of Javascript activation again, besides be participated in on client end andhtml outside reviving, yi Zheng serves the development of end in your arrival.

而对于某个应用，如果界面要求比较高，又不计成本，那可以用Flash/Flex其实Flex/OpenLaszlo也不见得门槛有多低，不见得熟悉JavaScript就能很快上手我要push信息到前端怎么办 Javascript的再激活，除了在客户端上参与和html的复兴外，亦正在驾临服务端的开发。

However, despite the possibility of planet collision, based on the history of Sumer and Maya civilization disappearance and current situation, human race are performing a suicide by killing the environment with the civilization they produced themselves.

可惜，排除行星碰撞这种可能，基于 Sumer 和 Maya 文明消失的悲惨历史和我们的现状，人类正在以"用自己创造的文明毁掉环境"这种方式自杀。

The chamber in which a piston of a reciprocating engine moves .

这个播音室正在安装音响设备用的电线。

The Auction code generator that you are used to is currently undergoing redevelopment.

这次拍卖的代码生成器，你是用来目前正在重建。

Used to refer to oneself as speaker or writer.

我：正在说话或写作的人用来称自己 n。

Reinhold Stephanes says his government is boosting Brazil's output of ethanol made from sugar without hindering efforts to increase food production.

莱茵霍尔德。斯特凡恩斯说，巴西政府正在提高用蔗糖生产乙醇的产量，但不会妨碍为增加粮食生产所做的努力。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。