| 单词 | spicule |
| 释义 | spicule /spik"yoohl/, n. 1. a small or minute, slender, sharp-pointed body or part; a small, needlelike crystal, process, or the like. 2. Zool. one of the small, hard, calcareous or siliceous bodies that serve as the skeletal elements of various marine and freshwater invertebrates. 3. Astron. a jet of gas several hundred miles in diameter rising from the sun's surface to heights of 3000 to 6000 miles (4800 to 9600 km). [1775-85; < L spiculum spearhead, arrowhead, bee stinger, equiv. to spic(a) ear of grain (see SPICA) + -ulum -ULE] |
| 随便看 |
|
英语词典包含168451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。