retraction meaning in English
n.
1.(爪等的)缩进 (opp. protrusion)。
2.缩回；取消，撤回。
Examples
- Retraction will be required and should be as gentle as possible .
还需要牵引，要尽可能轻柔。 - The newspaper published a retraction of the erroneous report .
那家报纸声明撤回那篇错误的报道。 - Motorcycle side stand retraction performance requirements
摩托车侧支架回位性能要求 - 3 lens retraction time from the wide zoom position
3镜头从广角变焦位置收回的时间。