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cocoon 音标拼音: [kək'un] n. 茧 茧 cocoon n 1: silky envelope spun by the larvae of many insects to protect pupas and by spiders to protect eggs v 1: retreat as if into a cocoon, as from an unfriendly environment; "Families cocoon around the T.V. set most evenings"; "She loves to stay at home and cocoon" 2: wrap in or as if in a cocoon, as for protection Cocoon \Co*coon"\, n. [F. cocon, dim. of coque shell of egge and
insects, fr. L. concha mussel shell. See {Conch}.] 1. An oblong case in which the silkworm lies in its chrysalis state. It is formed of threads of silk spun by the worm just before leaving the larval state. From these the silk of commerce is prepared. [1913 Webster] 2. (Zool.) (a) The case constructed by any insect to contain its larva or pupa. (b) The case of silk made by spiders to protect their eggs. (c) The egg cases of mucus, etc., made by leeches and other worms. [1913 Webster]
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