“external gill”的概念、定义、翻译、参考文献-科学参考

单词	external gill
释义	external gill [ek¦stǝrn·ǝl `gil] ^ZOOLOGY A gill that is external to the body wall, as in certain larval fishes and amphibians, and in many aquatic insects.
随便看	screw displacement screw dowel screwdriver screw elevator screw fastener screwfeed screw feeder screw ice screw jack screw machine screw pile screw plasticating injection molding screw press screw propeller screw pump screw rivet screw spike screwstock screw thread screw-thread gage screw-thread micrometer scribe projection scriber scribing Scribner log rule

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。