单词：belemnite
音标：['belәmnait] ；
n. 箭石
n. a conical calcareous fossil tapering to a point at one end and with a conical cavity at the other end containing (when unbroken) a small chambered phragmocone from the shell of any of numerous extinct cephalopods of the family Belemnitidae
词型变化：名词复数形式 : belemnites
单词：belemnite 相关文章
By this stage, however, Owen's transgressions were beginning to catch up with him. His undoing began when a committee of the Royal Societya committee of which he happened to be chairmandecided to award him its highest honor, the Royal Medal, for a pa
发表于:2019-01-29 / 阅读(215) / 评论(0)
万物简史
万物简史