Hypernyms:air pump vacuum pump
Inherited Hypernyms:ion pumpair pumppumpmechanical devicemechanismdeviceinstrumentalityartifactwholeobjectphysical entityentity
单词 | ion pump |
释义 | Ion Pump nnoun.artifacta vacuum pump that removes gas by ionizing the atoms or molecules and adsorbing them on a metal surface Hypernyms:air pump vacuum pump Inherited Hypernyms:ion pumpair pumppumpmechanical devicemechanismdeviceinstrumentalityartifactwholeobjectphysical entityentity |
随便看 |
|
英语词典包含147479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。