快讯：NASA机智号火星直升机成功完成火星表面首飞。（NASA爱好者） https://passport.weibo.com/visitor/visitor?entry=krvideo&a=enter&url=https%3A%2F%2Fweibo.com%2Ftv%2Ftv%2Fshow%2F1034%3A4627770266026035%3Ffrom%3Dold_pc_videoshow&domain=.weibo.com&sudaref=&ua=php-sso_sdk_client-0.6.33&_rand=1618830594.1396 #科技圈大小事