Forming the singular of group names ending in -acea (such as crustacean from Crustacea).
From Latin -aceus 'of the nature of' + -an.
Forming adjectives and nouns from taxonomic names ending in -acea (such as crustacean from Crustacea).
From Latin -aceus ‘of the nature of’ + -an.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。