单词	pterotheca
释义	pterotheca noun ptero·​theca ¦terə+ : the part of the pupa case that covers the rudimentary wing of an insect Word History Etymology New Latin, from pter- + theca
随便看	cellulolytic Cellulomonas cellulose cellulose acetate cellulose acetate butyrate cellulose acetate propionate cellulose ester cellulose ether cellulose nitrate cellulose propionate cellulose xanthate celluloselike celluloses cellulosic cellulosics Cellvibrio celly celo- celom celomata celoms celonavigation celosia celosiae celosias

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