cocoon

名词 cocoon:

1. silky envelope spun by the larvae of many insects to protect pupas and by spiders to protect eggs

动词 cocoon:

1. retreat as if into a cocoon, as from an unfriendly environment
2. wrap in or as if in a cocoon, as for protection

1. Most worms cocoon in winter.
   冬天多数虫子作茧。
2. The children tore the cocoon open to see if there was a pupa.
   孩子们撕开蚕茧看看里面有没有蛹。
3. Silkworms make cocoons.
   蚕做茧。
4. A cocoon is a kind of silk covering made by an insect.
   蚕茧是由昆虫制造的一种由丝组成的外包层。

co.coon

n.（名词）

A protective case of silk or similar fibrous material spun by the larvae of moths and other insects that serves as a covering for their pupal stage.
茧：纤维或类似纤维材料的保护壳，由蛾或其他昆虫的幼虫做成，作为其蛹阶段的覆盖物
A similar natural protective covering or structure, such as the egg case of a spider.
茧状物：类似的自然保护覆盖层或结构，例如蜘蛛的蛋壳
A protective plastic coating that is placed over stored military or naval equipment.
塑料披盖：一种塑料保护涂层，覆盖在备用的军用或海上设备上
Something suggestive of a cocoon in appearance or purpose:
某物在外形或目的上暗示为茧：
例句：
.a congressionally mandated process that will gradually strip these institutions of a cocoon of regulations.(Edward Meadows)
.国会委任程序将逐渐层层剥去这些机关规章的外壳.(爱德华·梅多斯)

v.（动词）
co.cooned,co.coon.ing,co.coons
v.tr.（及物动词）
To envelop in or as if in a cocoon, as for protection from a harsh or unfriendly environment.
包围：包围在或好象包围在茧中，如在严峻的和非友好的环境中得到保护
v.intr.（不及物动词）
To retreat as if into a cocoon, as for security from a harsh or unfriendly environment.
隐蔽：好象撤退到茧中，如在严峻的和非友好的环境中得到安全

来源：
French cocon
法语 cocon
from Provenôal coucoun [diminutive of] coco [shell]
源自 普罗旺斯语 coucoun [] coco的小后缀 [外壳]
from Late Latin coccum
源自 后期拉丁语 coccum
from Latin [berry, oak gall]
源自 拉丁语 [卵，橡五倍子虫]
from Greek kokkos [seed, berry]
源自 希腊语 kokkos [种子，干种子]