When a stream of these negatively charged electrons comes within 100 meters of the ground it is met by a stream of positively charged particles that comes up from the ground.

当这些负电荷距离地面不到100米时，会遇到一股来自地面的正电荷粒子流。

youdao

He rose up from the ground and said to himself, "I can do it!"

他从地上站起来，告诉自己：“我能做到！”

youdao

When five pellets are placed on top without falling off, catching cicadas is as easy as picking a ball up from the ground.

如果把五个弹丸放在上面而不掉下来，捕蝉就像从地上捡球一样容易了。

youdao

That means early signs of economic recovery, like the way plants begin to shoot up from the ground as a sign of spring.

VOA: special.2009.05.08

After he'd published all of his major poems, he began publishing a spate of works that attempted to re-create British culture from the ground up.

在发表了他的所有主要诗作后，他开始大量发表其他著作,试图以这些作品完全重建英国文化。

耶鲁公开课 - 弥尔顿课程节选

so I don't know, I think it's just really cool to be able to work something from the ground up.

所以，我不知道，我就是觉得能从头开始做一件事很酷。

什么是认知科学？ - SpeakingMax英语口语达人

"This is something my grandmother struggled to build up from the ground, " she says.

BBC: Taiwan's most famous professional mourner

Stalactites hang from the ceilings of the cave chambers, while stalagmites rise up from the ground to join them.

FORBES: Slovenian Landscapes: Above and Below

The court heard how Mr Thompson had managed to move the broken lift up from the ground to the first floor as he tried to fix it.

BBC: Death fall lift engineer was 'highly experienced'