1877Huxley Anat. Inv. Anim. vi. 345 A broad plate, which, with its fellow, covers over the other organs, and hence receives the name of the gnathostegite.
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。