trilobite
noun [ C ] biology, geology specialized uk/ˈtraɪ.lə.baɪt/ us/ˈtraɪ.loʊ.baɪt/
三叶虫
a simple, flat sea creature that lived in the earliest period of life on earth, with a hard outer layer and a body in three parts
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。