retracts

v.

撤回或撤消( retract的第三人称单数 )；拒绝执行或遵守；缩回；拉回

1. The undercarriage on light aircraft does not always retract in flight.
   轻型飞机飞行时起落架不一定缩回。
2. I decided to retract what I had said before.
   我决定收回前面说过的话。
3. Sir Alex has added his backing and believes Franco should retract his comments.
   弗格森爵士支持自己的助理，并且强调里斯本竞技俱乐部主席应该收回自己的控诉。
4. The accused refused to retract his statement.
   那被告拒不撤销其供述。

Theory of Retracts
Theory of retracts
Proximinal Retracts and Best Proximity Pair Theorems
Chemistry. Columbia lab retracts key catalysis papers
Fixed point index and fixed point theorem for Euclidean neighborhood retracts
Retracts of hypercubes
Retracts: Graphs and ordered sets from the metric point of view
Characterizing certain incomplete infinite-dimensional absolute retracts
Some theorems on absolute neighborhood retracts
Adjustable angle medical forceps