Verb:

1. make flat or flatter;

   "flatten a road"
   "flatten your stomach with these exercises"
   

2. become flat or flatter;

   "The landscape flattened"
   

3. lower the pitch of (musical notes)

1.(使)变平;把…弄平
If youflatten something or if itflattens, it becomes flat or flatter.

e.g. He carefully flattened the wrappers and put them between the leaves of his book...
他小心翼翼地把包装纸弄平，夹在书页里。
e.g. The dog's ears flattened slightly as Cook spoke his name.
库克叫这只狗的名字时，它的耳朵就会稍稍耷拉一下。

2.摧毁，弄倒，夷平(建筑、城镇或植物)
Toflatten something such as a building, town, or plant means to destroy it by knocking it down or crushing it.

e.g. ...explosives capable of flattening a five-storey building.
能将一幢 5 层高的楼房夷为平地的炸药
e.g. ...bombing raids flattened much of the area.
空袭将这个地区的大部分都夷为了平地

3.使紧贴;使贴着(以免挡路或被看见)
If youflattenyourself against something, you press yourself flat against it, for example to avoid getting in the way or being seen.

e.g. He flattened himself against a brick wall as I passed.
他紧贴一面砖墙站着好让我通过。

4.揍倒;打倒
If youflatten someone, you make them fall over by hitting them violently.

e.g. 'I've never seen a womanflatten someone like that,' said a crew member. 'She knocked him out cold.'
“我从没见过一个女人那样把人打趴下，”一位机组人员说，“她把他完全打昏了。”

5.(在争斗、竞赛或辩论中)击败，打败，战胜
If youflatten someone in a fight, contest, or argument, you defeat them completely.

flatten

e.g. In the squash court his chief aim is toflatten me...
在壁球场上他的主要目标就是击败我。
e.g. A large percentage of these forces had been flattened by the assault.
这些部队大部分都已经在这次进攻中被击溃。

1. 变平：你想让用户调用强制转换为解决这个问题,但实际上还是产生了临时对象,把临时对象进行变平(flatten)操作后就丢掉了. 原来的圆,c,还是根本没有被修改过. 取而代之的是,如果你创建一个构造函数把圆形转换成椭圆,那么操作就很明确了:

2. 串行化：是串行化 (flatten) 和串行化 (serialize) 的同义词. 从串行化状态构建一个对象. 是反串行化 (marshal) 和反串行化 (resurrect) 的同义词. 在设计过程以及完成细节设计期间中所使用的一种构架机制. 它们与关联关系的分析机制有关,

3. 展平：包括:工具箱、色彩(Color)、色样(Swatch)和描边(Stroke)等* 掌握在Adobe InDesign中透明(Transparency)调板的使用* 掌握对某一对象应用透明的方法,包括:投影(Drop Shadow)、羽化(Feather)* 展平(flatten)透明对象以及展平样

• Bunter, like a steam-roller, had passed over everything, flattening out all traces of upheaval.

  出自：D. L. Sayers

• flattening themselves against the side to let..people through.

  出自：F. O

• The water was smoother today as though the dead air were flattening it.

  出自：W. Golding

She used a rolling pin to flatten the pie dough .

她用擀面棍来擀平做馅饼的面团。

The boxer was flattened with one punch.

那个拳击手被一拳击倒了。

He was totally flattened by her sarcasm.

她说的挖苦话使他无地自容。

The land flattens out near the coast.

海岸附近地势变得很平坦。

The graph flattens out gradually after a steep fall.

图表上的曲线突降之後逐渐趋於平稳。

The cookies will flatten slightly while cooking.

曲奇烤时会略微变平。

These exercises will help to flatten your stomach.

这些身体锻炼有助腹部变平。

He flattened his hair down with gel.

他用发胶把头发弄平。

Most of the factory was flattened by the explosion.

工厂的大部分被爆炸夷为平地。

Our team was flattened this evening!

今晚我们队被打得落花流水！

He flattened the intruder with a single punch.

他一拳就把闯入者打倒在地。

I'll flatten you if you do that again!

你要再那样我就把你揍趴下！

She flattened her nose against the window and looked in.

她把鼻子紧贴着窗户朝里瞧。

Greg flattened himself against the wall to let me pass.

格雷格身体紧靠着墙让我通过。

The hills first rose steeply then flattened out towards the sea.

山峦起初拔地而起，然后逐渐平坦，伸向大海。

Export growth has started to flatten out.

出口增长已逐渐缓了下来。

A large percentage of these forces had been flattened by the assault.

这些部队大部分都已经在这次进攻中被击溃。

In the squash court his chief aim is to flatten me...

在壁球场上他的主要目标就是击败我。

'I've never seen a woman flatten someone like that,' said a crew member. 'She knocked him out cold.'

“我从没见过一个女人那样把人打趴下，”一位机组人员说，“她把他完全打昏了。”

He flattened himself against a brick wall as I passed.

他紧贴一面砖墙站着好让我通过。

...bombing raids flattened much of the area.

空袭将这个地区的大部分都夷为了平地

...explosives capable of flattening a five-storey building.

能将一幢 5 层高的楼房夷为平地的炸药

He carefully flattened the wrappers and put them between the leaves of his book...

他小心翼翼地把包装纸弄平，夹在书页里。

The dog's ears flattened slightly as Cook spoke his name.

库克叫这只狗的名字时，它的耳朵就会稍稍耷拉一下。

It's enough to flatten a square mile.

影响范围是一平方英里.

It'shows that hierarchical method is better than flatten method in large scale IC backend design.

在超大规模的芯片后端设计中,层次法设计方法优于展平法的设计方法.

flatten slope to 46'ufffd 'ufffd to give a factor of safety of 1 . 3 under saturated conditions.

削坡到46°,给饱水条件下的边坡以1.3的安全系数.

Conclusions The key factor of successful operation is unroll and flatten the flap of GRTs completely.

结论巨大视网膜裂孔手术成功的关键是术中应完全展平翻转的瓣.

Let the EMA flatten out and tick up before positioning for a new major bull move.

等均线走平并上涨,再开始进仓,等待上涨.

Creases are what I want, But now you flatten it.

我要的就是折纹, 但你现在却给它熨平了.