This is called 'nesting or cocooning'.

这被叫做鸟槽或茧。

To cut expenses, consumers are going out less, a phenomenon retail analysts call cocooning.

为了节省开支，人们会减少外出的机会，零售分析人员把这种现象叫做蚕居，指像蚕一样蛰居在保护层内的现象，蚕居族是为了节省开支。

This is called 'nesting or cocooning'. Birds build nests out of sticks to hold their eggs and baby birds.

这被叫做鸟槽或茧。鸟筑巢用枝条围住鸟蛋和小鸟。

Disclosed is a silkworm cocoon picker of slat type paper cocooning frame which can be used to pick silkworm cocoons conveniently.

一种能够方便采摘蚕茧的板签式方格簇蚕茧采摘工具。

The results showed that adding red pigment has no significant effect on cocooning rate and cocoon quality while adding food orange-2pigment could improve cocoon quality.

结果发现：添食红色素对结茧率和茧质无显著影响，添食橙色2号色素其茧质成绩有所提高。