放在地上的英文：
ground(ing)

参考例句：

The girl set her heavy case on the ground and took a rest.
这个女孩把重重的箱子放在地上，休息了一会。

Stick the box on the floor.We can uncrate after supper.
先把盒子放在地上，吃完饭后再开。

He shut the book, put it carefully on the floor, lay down, and pulled the coverlet over both of them
他合上书，小心地放在地上，躺了下来，把床罩拉上来把两人都盖好。

"Place shipping carton tube on floor and gently lay the controller on its back, on top of the tube."
将运输纸筒管放在地上,将控制装置小心的背朝下放在纸筒管上。

ground是什么意思：
n. 地面，土地
v. 着陆， 打基础
adj. 磨平的，磨碎的

on solid ground
在稳固的基础上

Their ship was grounded.
他们的船搁浅了。

The ground has thawed.
地面解冻了。

The beans are then ground and packaged for sale as ground coffee.
然后那些咖啡豆被磨碎，包装好作为咖啡粉出售。

He was lying flat on the ground.
他平躺在地上。

ing是什么意思：
suf.
后缀，构成动词现在分词，名词

Satnam. Stop sir-ing me.
萨特南，别再用尊称了。

The disinterested search for truth is certainly one of the highest and noblest careers that a man can choose.——W. R. Inge
无私地追求真理，当然是人们能够选择的最崇高的真理，当然是人们能够选择的最崇高的和最高尚的事业之一。——英奇

I thought it was only people like Li Mei-t'ing who carried contraband!
我以为只有李梅亭这种人带私货！

Continuous tense(phrase consisting of part of be and a verb ending in -ing which expresses an action that continues over a period of time)
进行时态(由be的一种形式和以-结尾的动词构成的词组,表示持续一段时间的动作)

a noun formed from a verb (such as the `-ing' form of an English verb when used as a noun).
由动词形成的名词（比如在动词后面加`ing'变成名词。