retraction

noun

1. 撤销；收回
   a statement saying that sth you previously said or wrote is not true
   1. He demanded a full retraction of the allegations against him.
      他要求完全收回针对他的言论。
2. 收回；拉回
   the act of pulling sth back (= of retracting it)
   1. the retraction of a cat's claws
      猫爪子的回缩

1. VERB 收回，撤回(所说的话或写的东西)
   If you retract something that you have said or written, you say that you did not mean it.
   1. Mr Smith hurriedly sought to retract the statement, but it had just been broadcast on national radio...
      史密斯先生想赶快收回这项声明，但它刚刚已经在国家电台播出了。
   2. He's hoping that if he makes me feel guilty, I'll retract.
      他指望着如果他能让我感到内疚，我就会收回所说的话。
2. V-ERG （使）缩回;（使）缩入;（使）收起
   When a part of a machine or a part of a person's body retracts or is retracted, it moves inwards or becomes shorter.
   1. Torn muscles retract, and lose strength, structure, and tightness.
      撕裂的肌肉会收缩，丧失原来的力量、结构和紧实度。
   2. ...when the aircraft's wheels were retracted.
      当飞机的轮子收起来的时候

1. The dehydration of the body after death can cause retraction of the skin around hair and nails, giving the illusion that they have grown.
   在人死后，身体的脱水可引起头发和指甲周围的皮肤收缩，造成指甲生长的错觉。
2. As for the industry, the signs of retraction are clear.
   就这个行业而言，萎缩的迹象十分明显。
3. Application of Gingival Retraction Cord and Gingival Retraction Paste in Fixed Prosthesis Restoration of Split Tooth
   排龈线与排龈膏在劈裂牙固定修复中的应用研究
4. Did you demand a full retraction?
   你要完全收回你说过的话吗？
5. This retraction can result in permanent damage to the surrounding connective tissue and may develop into a degenerative disease.
   这回缩，可能导致永久性损坏周围的结缔组织，并可能发展成为一种退化性疾病。
6. Objective The PFM prosthesis by using gingival retraction has been observed something about its effect and the condition of gingival tissues'injury.
   目的在烤瓷熔附金属冠桥修复的不同时期应用排龈技术，观察烤瓷修复的效果及对牙龈组织的损伤情况。
7. A comparison study of the clinical application of home-made gingival retraction cords and UltraPak gingival retraction cords
   国产排龈线与UltraPak排龈线的临床应用对比研究含不同药物排龈线引起牙龈炎症及其排龈效果的比较研究
8. The risorius and the buccinator muscles assist in the retraction of the lips, as well as support entrapment of air within the oral cavity.
   笑肌和颊肌帮助唇的收缩，也支撑了整个口腔的气体流通。
9. Objective: To investigate the biocompatibility of a self-developed gingival retraction material.
   目的：评价自行研制的牙龈收缩剂的生物安全性。
10. The newspaper published a retraction of the erroneous report.
    那家报纸声明撤回那篇错误的报道。
11. The retraction loss and the slide of the steel bar bundle are reduced, and anchoring reliability is enhanced.
    并能减少钢筋束回缩损失及滑束现象，增加锚固的可靠性。
12. A few hours later, Bloomberg pulled the obit and issued a brief retraction.
    彭博社数小时后就删除了讣告，并发表了简短的文章收回声明。
13. The newspaper printed a retraction for their previous error.
    报纸上登出了对以前错误的撤回声明。
14. Capable of retraction; capable of being drawn back.
    能收回的；能拿回的。
15. The upper and lower abdominal breathing muscles after a lapse of the scope of activities increased, so that the greatest range of thoracic volume expansion and retraction.
    腹式呼吸时隔肌上下活动范围加大，使胸腔容积得到最大范围的扩展和回缩。
16. In some countries, media defendants may mitigate or reduce their damages by demonstrating that they promptly published a full and fair retraction of the false and defamatory material.
    在有些国家，新闻界的被告有可能通过证明他们立即发布了完整与合理的更正，取消了原先的不实毁誉之词，从而减轻了或减少了伤害。
17. Effects of crown retraction on the shoot growth of pearl-guava
    回缩树冠对珍珠番石榴枝梢生长的影响
18. Clinical analysis on Duane's retraction syndrome in 28 cases
    Duane眼球后退综合征28例临床分析
19. The retraction reductor has the advantages of simple structure and convenient use, is used for a double eyelid operation and is favorable to the enhancement of operative efficiency and effect.
    本牵开复位器结构简单，使用方便，用于重睑手术有利于提高手术效率和手术效果。
20. A mechanical component with two rings pivoted on axes at right angles to each other allowing movement in two directions used in the flap extension and retraction system.
    襟翼的伸出和收上系统内的具有两个圆环的机械部件。两个圆环的旋转轴相互垂直，以使部件在两个方向都能转动。
21. His retraction was published in several newspapers.
    他收回原话的声明登在好几家报纸上。
22. He demanded a full retraction of the allegations against him.
    他要求完全收回针对他的言论。
23. The severity of the muscle injury is affected by the degree of the intramuscular pressure and the length of the retraction time.
    肌肉损伤的严重程度受肌肉受压程度和牵拉持续时间影响。
24. Contrast study on the clinical effects of electrosurgical retraction and secondary gingival retraction
    不同排龈药物对牙龈炎症的影响及排龈效果的比较电刀排龈法与二次排龈法临床效果的对比研究
25. Clinical study of implantation of preserved sclera combined with Z-PLASTY in traumatic eyelid retraction Keratoepithelioplasty for old ocular burns
    异体巩膜植入联合Z形皮瓣治疗陈旧性外伤性下睑退缩角膜上皮移植术治疗陈旧性眼部烧伤的临床应用
26. Aim To observe the effect of eyelid reconstruction in treatment of bl epharocoloboma and cicatricial lid retraction.
    目的观察眼睑再造术对眼睑缺损、疤痕性眼睑退缩的治疗效果。
27. Application of self-etching adhesive and gingival retraction to treating wedge-shaped defect
    排龈术和自酸蚀黏结术联合治疗楔状缺损疗效分析
28. Damage to the neuromuscular junction following prolonged retraction can also lead to muscle denervation.
    持续长时间牵拉造成神经肌肉接头处的损害亦导致肌肉去神经支配。
29. Objective To compare the effect of gingival retraction paste and gingival retraction cord in the immediate restoration of teeth fracture.
    目的比较排龈膏与排龈线在劈裂牙即刻固定修复中的排龈效果。
30. The laws of retraction and reflection that govern the transmission of light also pertain to sound waves.
    光的传播所遵循的反射定律和折射定律同样适用于声波。

noun

1. the act of pulling or holding or drawing a part back
   1. the retraction of the landing gear
   2. retraction of the foreskin

2. a disavowal or taking back of a previous assertion

   Synonym:    abjurationrecantation