There is something people didn't understand in the sky.The United_英语解答

There is something people didn't understand in the sky.The United States Air Force first used the

人气：297 ℃　时间：2019-12-09 18:23:49

解答

1Unidentified Flying Object2 yes （But the Center for UFO Studies continues to receive hundreds of reports every ） 3 1947（ In 1947 a businessman and pilot, Kenneth Arnold, was flying near Mount ...