1838New Monthly Mag. LIII. 546 Forms of ostrean happiness.
Ibid. 553 By the sudden opening and closing of their valves..the ostrean tribes possess the means of locomotion.
英语词典包含277258条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。