The western Ukrainian city of Lviv has come under heavy rocket fire.

乌克兰西部城市利沃夫遭到猛烈的火箭弹袭击。

Israel has imposed a complete siege on Gaza in response to heavy rocket fire from Hamas.

以色列对加沙实施全面包围，作为对哈马斯猛烈火箭弹袭击的回应。

The Interfacts News Agency said shells are falling on a residential area. Heavy rocket fire is also reported in a rebel-held stronghold of Donetsk.

新闻机构Interfacts称有炮弹落在一个居民区，同时还有报道称叛军控制的据点顿涅茨克也出现重型炮火。

NASA's Falcon heavy rocket, lift it off Friday from the Kennedy Space Center in Florida for a colossal journey of 2.2 billion miles or 3.6 billion kilometers.

美国宇航局的猎鹰重型火箭于星期五在佛罗里达州肯尼迪航天中心发射升空，开始了长达22亿英里或36亿公里的长途航程。

It's been handling cargo missions to the International Space Station since 2012, and its Falcon 9 and Falcon heavy rockets have proven they have the muscle for space travel.

自2012年以来，它一直在完成国际空间站的货运任务，其猎鹰9号和猎鹰重型火箭已经证明了他们有能力进行太空旅行。