单词：high-altitude explosion
单词：high-altitude explosion 相关文章
Fire authorities are on high alert with parts of the country in a grip of a heat wave. South Australia's facing more extreme weather today as ex-tropical cyclone Christine moves into the state. Temperatures in the north are again expected to reach th
澳洲ABC新闻快递2014年
Two pilots recently set a new altitude world record for gliders. A glider is an aircraft that does not have an engine. They are pulled into the air by powered airplanes and then released. They are designed to ride warm, rising air to gain altitude. T
2017年VOA慢速英语(九)月
RACHEL MARTIN, HOST: North Korea is making a public show of moving towards denuclearization ahead of a planned summit with the U.S. The regime invited a small group of foreign reporters to witness the demolition of its nuclear test site in the northe
2018年NPR美国国家公共电台5月
Roll the tape. Love it when common materials are dangerous. Go ahead and light it. Theres no doubt that the bomb range can blow a gasket. Bye-bye. As for this countdown, it makes for the perfect B movie. Did you get that on high speed? But for the C
探索与发现2013年
That was beautiful. That's a good explosion right there. Yep. Explosion number 755, a perfect example of the rapport of C4. I bet my family's glad they let me borrow that china. Next in the A to Z, it's F, for food, glorious food. Now that you can te
探索与发现2013年
We were walking to work this morning, and just out of blue, this happened. We saw the helicopter, hit the crane at the top of the building. And there was a loud crack, and then the helicopter was spinning, out of control, and incredibly toward us, I
英伦广角