retracts

A cat retracts its claws.

猫缩进它的爪子.

《现代英汉综合大词典》

The split graph is given endomorphism images are retracts.

给出了任意自同态像图都是收缩核的分裂图的结构.

互联网

The nose unit is twin - wheeled and retracts rearward.

前鼻单元是双轮并向后收起.

互联网

A totally hypothetical high - speed , Metalclad carrier . The control car retracts into hull to lower wind resistance.

一架设想中的 高速 全金属硬式飞艇,为了降低阻力,控制仓能够缩进蒙皮中.

互联网