Noun:

1. the material removed by a cut made underneath

2. the tender meat of the loin muscle on each side of the vertebral column

3. a notch cut in the trunk of tree in order to determine the direction of its fall

4. (sports) a stroke that puts reverse spin on the ball;

   "cuts do not bother a good tennis player"
   

5. a cut made underneath to remove material

Verb:

1. sell cheaper than one's competition

2. cut away material from the underside of (an object) so as to leave an overhanging portion in relief

3. cut away the underpart of;

   "undercut a vein of ore"
   

4. strike (the ball) in golf, tennis, or hockey obliquely downward so as to give a backspin or elevation to the shot

5. cut obliquely into (a tree) below the main cut and on the side toward which the tree will fall

The form undercut is used in the present tense and is also the past tense and past participle. undercut 的过去式和过去分词与原形相同。

1.压低(价格)；以低于…的价格销售
If youundercut someone orundercut their prices, you sell a product more cheaply than they do.

e.g. The firm will be able toundercut its competitors whilst still making a profit.
该公司将得以把价格压得低于竞争对手而仍能盈利。
e.g. ...promises toundercut air fares on some routes by 40 per cent...
承诺将一些航线的票价降低40%

2.削弱；破坏
If your attempts to achieve somethingare undercut by something, that thing prevents your attempts from being effective.

e.g. The appeal in Miller's pictures of Indian women isundercut at times by what the artist writes about them...
米勒画作中印第安妇女的魅力有时会被艺术家的文字描述削弱。
e.g. Popular support would beundercut by political developments.
民众的支持率将会随政治势态的发展而下降。

1. 底切：纯粹的化学刻蚀通常没有方向选择性,刻蚀后将形成圆弧的轮廓,并在屏蔽(Mask)下形成底切(undercut),此谓之等向性刻蚀. 等向性刻蚀通常对下层物质具有很好的选择比,但线宽定义不易控制. 而非等向性蚀刻则是藉助具有方向性离子撞击,

2.

2. 钻蚀：剥离工艺是一些特殊工艺中形成图形的比较简单的物理方法,优点是可以使用多种材料组合,允许多层金属蒸发,允许腐蚀较困难的多层金属布线,避免了因干法和湿法腐蚀带来钻蚀(undercut)和腐蚀问题.

3. 侧蚀：至於另一种半氧化的Cu+则很难水溶,常附著在线路腰部流速较低的侧壁上,可当成护岸剂(Banking Agent),而使侧蚀(undercut)得以减低. 为了降低水沟效应减少侧蚀与残足起见,5mil以下的细线应尽可能将待蚀刻的铜层逼薄,同时也还应将抗蚀阻剂逼薄.

• For this dramatic shape the hair was undercut very short through the back and sides.

  出自：Hair Flair

However, for most of the target audience, this will undercut the message badly.

然而，对于大多数观众来说，这会削弱影片所要传达的讯息的张力。

Some members of the board were trying to undercut the chairman's authority.

委员会的某些成员试图削弱主席的权力。

to undercut sb's prices

以低于对手的价格求售

The firm will be able to undercut its competitors whilst still making a profit.

该公司将得以把价格压得低于竞争对手而仍能盈利。

If our two companies were to join forces we could undercut all our competitors.

如果我们两家公司联合起来的话,我们可以削价同我们所有的竞争对手抢生意.

The appeal in Miller's pictures of Indian women is undercut at times by what the artist writes about them.

米勒画作中印第安妇女的魅力有时会被艺术家的文字描述削弱。

Moreover, extensive use of voluntary recalls can undercut agency accountability.

此外, 大量利用自愿撤回会削弱行政机关的责任心.

Prices were undercut and profits collapsed.

价格被压低后，利润暴跌。

We are not trying to undercut the opposition.

我不是跟反对我们的人过不去.

The plastic surgeon undercut the skin of her cheek.

整容外科医生将她的脸皮下部切开.

And economies of scale allow them to undercut rivals on price.

而由于大量销售而带来的优惠允许他们从价格上削弱对手.

We cannot buy from you because another supplier undercut you.

其他供应商的报价比你们低,所以我们不能从你处采购.

Avoiding the undercut is the key factor to raise the welding speed.

避免咬边是提高焊接速度过程中的关键要素.

Width of the undercut shall match the mica thickness or OEM specifications.

下刻的宽度应与云母片相符或符合OEM的标准.

External defects: undercut , overip , arc pit, gas cavity in surface, crack in surface.

外部缺陷: 咬边 、 焊瘤 、 弧坑 、 表面气孔 、 表面裂纹.

Avoiding undercut is the most important key to enhance welding speed.

避免咬边是提高焊接速度的关键问题.

Countries such as Chile, Argentina and South Africa can undercut Australian products.

而智利 、 阿根廷和南非等国,则能以更低的价格与澳大利亚葡萄酒抢生意.