离开地面
lifted off───（火箭等）发射；（直升飞机）起飞
off the ground───开始；起步；在途中：登程，上路，如在飞行中
get off the ground───起飞; 顺利开始；v.开始发行；飞起；（使）取得进展
lifted───v.举起（lift的过去分词）；抬升；adj.提升的
the ground───地面
the ground floor───一楼
prepare the ground───使···能够容易发展；使…能够[容易]发展
the ground of───……的地面
ground───n.地面；土地；范围；战场;根据；vt.使接触地面；打基础；使搁浅；v.研磨（grind的过去分词）；压迫；adj.土地的；地面上的；磨碎的；磨过的；vi.着陆；搁浅
kangaroo cannot jump if its tail is lifted off the ground. It needs its tail for pushing off.───如果袋鼠的尾巴离开地面，袋鼠就跳不起来。它要靠尾巴推动才能离开地面。
The propellers lifted off the ground at 28 miles per hour.───飞机飞离地面后，以每小时28英里的速度向高空爬升。
As it lifted off the ground it realized it could fly and began to soar in the air.───当它从地面升腾时，它意识到它可以飞，然后它开始凌空翱翔。
A kangaroo could not jump if its tail is lifted off the ground.───假如袋鼠的尾巴离开地面，袋鼠就跳不起来。
That's pretty cool! The propellers lifted off the ground at 28 miles per hour. And they say there are 12 solar cells built into its wings.───太酷了！飞机飞离地面后，以每小时28英里的速度向高空爬升。技术人员称，飞机的两翼内置有12块太阳能电池。
This is when there is the greatest risk of the glider being lifted off the ground by the first strong gust.
Winds across eastern Long Island were so strong that an entire movie theater was lifted off the ground and thrown two miles out to sea — with the matinee crowd and projectionist still inside.