elements

n. 原理,基础

electrolysis, electrolyte, electromagnet, electromagnetic, electromagnetism, electron, electron microscope, electronic, electronic mailbox, electronically, electronics, electroplate, elegance, elegant, elegiac, elegy, element, elemental, elementary, elementary particle, elephant, elephant calf, elephantiasis, elephantine, elevate, elevated, elevated railway (US elevated railroad), elevating, elevation, elevator, eleven, eleven-, eleven-plus, elevenses, eleventh, elf, elfin, elfish, elicit, elide,