名詞 pupa:

1. an insect in the inactive stage of development (when it is not feeding) intermediate between larva and adult

1. Enclosed in an oval, horny case. Used of an insect pupa.
   殼內(nèi)的封閉在橢圓形角質(zhì)殼內(nèi)的。用于一蟲蛹
2. The children tore the cocoon open to see if there was a pupa.
   孩子們撕開蠶繭看看里面有沒有蛹。

pu.pa

n.（名詞）
【復(fù)數(shù)】 pu.pae[-pô] 或 pu.pas
The nonfeeding stage between the larva and adult in the metamorphosis of holometabolous insects, during which the larva typically undergoes complete transformation within a protective cocoon or hardened case.
蛹：全變態(tài)昆蟲從幼蟲到成蟲的變形時(shí)期的不進(jìn)食階段，這一階段內(nèi)，幼蟲在一種起保護(hù)作用的繭或硬殼中獨(dú)特地完成變形的全過程

來源：
Latin [girl, doll]
拉丁語 [女孩，洋娃娃]

【引伸】
pu.pal
adj.（形容詞）