1. 场地，场所
2. 地，地面
3. 土地，土壤
4. 根据，理由
5. 范围
6. 渣滓，沉淀物
7. 地域，水域
8. 基础
9. 庭园
10. 阵地
11. 底子
12. 底，海底
13. 立场
14. 背景
15. 【电】地线；接地；接地装置
16. 地板
17. 【矿】脉石
18. 【橄榄球】跑动进攻打法

1. 【海】使搁浅，触海底，搁浅
2. 使停飞， 阻止…起飞
3. 罚（儿童）不准出门
4. 以某事物为基础，根据，基于，把...建立在牢固的基础上，把...基于，在...基础上树立
5. 【电】把...接地，使接地
6. 给...以基础训练，给...打基础，教给...基本知识
7. 依靠
8. 【空】着陆，落地
9. 把...放在地上，使落地
10. 放下（武器）
11. 给上底色，加底子
12. 【棒球】击地滚球，击出内场地滚球后在一垒被杀出局（常与out连用）

1. 动词grind的过去式和过去分词形式

1. （食物）磨碎的，磨成粉的，碾碎的
2. 磨平的
3. 磨过的
4. 土地的，地面上的
5. 接近地面的
6. 生长在地里的

1. the solid part of the earth's surface;

   "the plane turned away from the sea and moved back over land"
   "the earth shook for several minutes"
   "he dropped the logs on the ground"
   

2. a rational motive for a belief or action;

   "the reason that war was declared"
   "the grounds for their declaration"
   

3. the loose soft material that makes up a large part of the land surface;

   "they dug into the earth outside the church"
   

4. a relation that provides the foundation for something;

   "they were on a friendly footing"
   "he worked on an interim basis"
   

5. a position to be won or defended in battle (or as if in battle);

   "they gained ground step by step"
   "they fought to regain the lost ground"
   

6. the part of a scene (or picture) that lies behind objects in the foreground;

   "he posed her against a background of rolling hills"
   

7. material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use);

   "the land had never been plowed"
   "good agricultural soil"
   

8. a relatively homogeneous percept extending back of the figure on which attention is focused
9. a connection between an electrical device and a large conducting body, such as the earth (which is taken to be at zero voltage)
10. (art) the surface (as a wall or canvas) prepared to take the paint for a painting
11. the first or preliminary coat of paint or size applied to a surface

1. fix firmly and stably;

   "anchor the lamppost in concrete"
   

2. confine or restrict to the ground;

   "After the accident, they grounded the plane and the pilot"
   

3. place or put on the ground
4. instruct someone in the fundamentals of a subject
5. bring to the ground;

   "the storm grounded the ship"
   

6. hit or reach the ground
7. throw to the ground in order to stop play and avoid being tackled behind the line of scrimmage
8. hit a groundball;

   "he grounded to the second baseman"
   

9. hit onto the ground
10. cover with a primer; apply a primer to
11. connect to a ground;

    "ground the electrical connections for safety reasons"
    

12. use as a basis for; found on;

    "base a claim on some observation"
    

1. 接地：在U1、U2、U3之后的U4、U5、U6称为einzel lens,作为聚焦离子之用;通常U4和U6接地(ground),而U5加有电压,这飞行时间镜组和聚焦镜的连接与支撑是由陶瓷棒(ceramic rod)所串接而成,而整个镜组则直接锁於一个不锈钢圆筒上,

2.

2.ground：gnd; 接地

below ground

地面之下,在地下 beneath the surface of the earth

break fresh ground

开辟新天地,开始新的事业 introduce or discover a new method, system, etc.; innovate

cover ground

行过一段距离,完成一定量的工作 walk a long distance; finish a lot of work

cut the ground from under

先发制人地破坏某人的计划,拆某人的台 spoil sb's plan, argument, defence, etc. by anticipating it

from the ground up

完全地,彻底地 completely

gain ground

逼近 get gradually closer to sb/sth going in the same direction as oneself

get off the ground

顺利开始 make a successful start

give ground

退却,让步 retreat

go to ground

潜伏,躲藏 at somewhere that people couldn't find

hold one's ground

坚守阵地; 坚持立场 not go away; keep one's idea

lose ground

败退,退却,失去地盘,失利 retreat

on (the) ground〔grounds〕 of

根据…,以…为理由 depend upon sth

prepare the ground

使…能够或容易发展 make the development of sth possible or easier

run into the ground

把…搞得精疲力竭 wear sb/sth out completely; exhaust sb/sth
run oneself/sb into the ground

By working 13 hours a day she is running herself into the ground.

她一天工作13个小时,把自己搞得精疲力竭。

shift one's ground

改变立场 change the basis of one's argument, claim, etc.

suit down to the ground

完全适合 completely, utterly
suit sb down to the ground

Mary's new job suits her down to the ground.

玛丽的新工作正合她的心意。

to the ground

夷为平地 destroying completely

ground in( v.+prep. )

训练…,打好…的基础 give the basic exercise; be well trained in
ground sb/oneself in sth

The teacher grounded his pupils in English.

老师使学生们在英语方面打下良好的基础。

He grounded himself thoroughly in mathematics.

他在数学方面接受过全面的基础训练。

The class is well grounded in grammar.

这个班的学生语法基础好。

Every educated man of the 19th century was well grounded in Latin and Greek.19

世纪凡是受过教育的人在拉丁语和希腊语方面都有很好的基础。

I don't know how well this young lawyer performs in court, but at least he's well grounded in the principles of such cases.

我不知道这位年轻的律师在法庭上的表现如何,不过,他起码精通处理这类案件的原则。

ground on( v.+prep. )

搁浅在… stop the ship at somewhere

• We praised God from the ground of the heart.

  出自：fig.

• A large part of altruism,..is grounded upon the fact that it is uncomfortable to have unhappy people about.

  出自：H. L. Mencken

• Culture itself is grounded in man's highly specific psycho-biological nature.

  出自：P. Fuller

1. ground的基本意思是“地面”,指相对于天空而言的地球的表面; 也可指“泥土,土地”。ground也可指陆上或海上一片特殊的“地域,水域”,作“庭园,花园”解时常指建筑物周围的空地。ground还可以指做一件事情的原因,即“理由”。引申可指“内容”“背景”“渣滓”等。
2. ground通常用作可数名词,作“场地,庭园”“理由”“渣滓”等解时常以复数形式出现,作“地面”解时一般只用单数形式。ground在作“土地,泥土”“范围,内容,话题”等解时可用作不可数名词,“一块地”说a piece of ground。
3. ground作“理由,根据,原因”解时,有时用作复数,可接单数谓语,有时也可用作单数,有时甚至用作不可数名词。
4. 在作“庭园”解时, grounds前通常加介词in,而不加介词on。

1. ground用作名词时的意思是“地面”,转化成动词意为“将…放在地上”,常指“搁浅,停飞”,即由于自然条件的影响或机械故障等原因而造成船只“搁浅”,飞机“停飞”。
2. ground可用作及物动词,也可用作不及物动词。用作及物动词时,后接名词或代词作宾语。可用于被动结构。
3. ground接介词in可表示“在…(方面)打基础”; 接介词on可表示“根据…作出结论”“以…为基础”。