v.缩回；收回；撤销
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。
I decided to retract what I had said before. 我决定收回前面说过的话。
The accused refused to retract his statement. 那被告拒不撤销其供述。
adj.可缩回的；伸缩自如的；可取消的
n.取消前言的人；收缩筋；牵引器
n.退缩；撤消；收回
adj.可伸缩的
动词retract的过去式和过去分词.
收起
