Raise rear of vehicle off ground and install tow dollies under rear wheels.

将车辆后侧举离地面，在后轮下安装拖曳支架。

youdao

If the source of ions is biased off ground, then the ion collector will most likely be at ground potential.

如果离子源偏离地电位，那么离子收集电极多半处在地电位。

youdao

The short wave signals bounce off the ionosphere that surrounds the Earth,back to the ground and then back to the ionosphere.

VOA: special.2010.12.08

It's dangerous to want to get away from earth awhile, to get your feet entirely off the ground.

想要逃离地面一会，让自己的双脚同时离开地面很危险。

耶鲁公开课 - 现代诗歌课程节选

She ran across the room, grabbed me by the hair, and lifted me off the ground,

她会穿过教室，走到我面前，揪住我的头发，把我拉起来，

反对体罚 - SpeakingMax英语口语达人

White House aides privately hoped the new NATO assessment would call for so many troops to invade--perhaps up to 150, 000 in Kosovo alone--that it would scare off ground-war advocates.

CNN: IT'S FLIGHT OR FIGHT

The second followed a similar pattern at first, with Robson twice going a break up, before the Thai finally found her rhythm off the ground and reeled off four straight games.

BBC: Briton Robson wins girls' title

"You run through a field and the paraglider wing catches the wind, it fills with air, blows you off the ground, you switch on the motor and off you go, you're flying, " he said.

CNN: Flying 'Parajet' takes off