“缩进”的英语可以翻译为：indentation，indent，retract，retraction ...

“缩进”的拼音为：suō jìn...

鸟把头缩进翅膀下.The bird tucked its head under its wing.猫缩进它的爪子.A cat retracts its claws.乌龟把头缩进它的壳里。The tortoise pulled its head into his carapace....