单词:spring to sb's assistance
单词:spring to sb's assistance 相关文章
Airplane Engines In 1945, a new type of airplane engine was invented. It was much lighter and more powerful than earlier engines, and enabled warplanes to fly faster and higher than ever. This type of engine was called the jet engine because it below
[ti:王迈迈英语B级考试全真模拟试题与详解test8 听力] [ar:王迈迈] [al:王迈迈英语B级] [by:wmmenglish.com] [00:00.41]王迈迈英语B级考试全真模拟试题与详解test8 [00:00.52]test8 [00:03.14]Part I [00:05.32]Section A [00:07.62]Directions: [00:09.80]This sectio
NASA Successfully Tests New Rocket Engine NASA最强火箭测试成功 火星之旅指日可待 The American space agency successfully tested a powerful new rocket engine this week in the desert of northern Utah. The rocket booster is meant to take a
Smartphones have plenty of added functions and applications for savvy users to explore. But how well do you make use of your smart phone? Recently many people have been taking part in an online test designed to test their smartphone proficiency, and
We have more about canal boats in todays podcast. It was late afternoon when we arrived at the boatyard to find our canal boat. One of the staff took us round the boat, to show us how things worked. Then he gave me the keys. The boat was ours, for th
North Korea today hailed its test of a new intermediate-range missile and claimed that it can now hit U.S. bases in the Pacific with a nuclear warhead. State TV broadcast footage of Sunday's launch. The missile traveled nearly 500 miles, but analysts