天空开始下冰雹，巨大的雹子。
泛美航空开创了第一个定期的国际航班。
Pan Am inaugurated the first scheduled international flight.
天空开始变得明亮了。
远方的天空开始泛白。
天空开始阴云密布。
与此同时，天空开始晴朗起来。
紫罗兰色的黄昏降临，天空开始暗下来。
头顶的天空开始转阴，然后渐渐黑了下来。
天空开朗了，狂风咆哮，笑声传遍了大地。
the sky opens, the wind runs wild, laughter passes over the earth.
我正要出门的时候，天空开始下起了大雨。
当沙威已看不见了，冉阿让向天空开了一枪。
When Javert had disappeared, jean Valjean fired his pistol in the air.
在遥远的地平线附近，天空开始渐渐变成灰色。
Far away, and down near the horizon, the sky began to turn grey.
天空开始下起雨来，而更糟的是，我忘了带伞。
It started to rain, and to make matters worse, I forgot to bring an umbrella.
天空开始下雨了。
天空开始转红了。
你是如何天马行空开发、测试、更新、维护和思考系统的？
How do you develop, test, update, maintain, and reason about systems without borders?
在数天的严重污染后，莫斯科的天空开始放晴并伴有阵雨。
But skies cleared over Moscow after days of heavy pollution, and there were cooling rains.
所有成员变量应该定义在前面，和属性或方法间空开一行。
All member variables should be declared at the top, with one line separating them from the properties or methods.
我的话刚说完，天空开始乌云密布，很快便下起了倾盆大雨。
Soon after I told him to get ready, the sky became dark with clouds and heavy rain began falling from the sky.
捷蓝航空开始运营时，其所有机票均不可退换，生意很是冷清。
But when it started, all its fares were non-refundable, and it was mostly a leisure airline.
一个真空开关是提供广泛的监测和提供输出，以便与系统控制器。
A wide range of vacuum switches are offered to monitor and provide output to integrate with the system controller.
比奇洛目前已经花费了1.8亿美元用于太空开发，堪称前无古人。
Mr Bigelow has so far spent $180m of his own money on space development—probably more than any other individual in history.
小巧轻便真空开关提供的监测水平，提供一个“对象笼罩”输入到控制系统。
A compact lightweight switch offered to monitor vacuum levels, which provide an "object gripped" input to the control system.
上帝为我们造的方舟关好大门，不一会儿，天空开始下雨，倾盆大雨紧接而至。
God closed the door of the ark for us. Soon, it started raining and pouring.
通过对声发射技术的理解，结合采矿工程中关键层理论，将其应用到蹬空开采中。
Through to acoustic emission technology understanding, in the light of the mining engineering key stratum theory, applies it in overhead mining.
私营机构参与非载人太空开发已经不是新鲜事，例如卫星和机器人太空船的制造等。
The private sector’s role in unmanned space operations - such as the manufacture of satellites and robotic spacecraft -- is nothing new.
私营机构参与非载人太空开发已经不是新鲜事，例如卫星和机器人太空船的制造等。
The private sector’s role in unmanned space operations - such as the manufacture of satellites and robotic spacecraft -- is nothing new.
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