enzyme

n. 酵素，酶

enumeration, enunciate, enunciation, envelop, envelope, envelopment, envenom, enviable, enviably, envious, enviously, environment, environmental, environmentalist, environmentally, environs, envisage, envision, envoy, envy, eon, EP, epaulet, epaulette (also esp US epaulet), epee, ephemera, ephemeral, epic, epicentre (US epicenter), epicure, epicurean, epidemic, epidermis, epidural, epiglottal, epiglottis, epigram, epigrammatic, epilepsy, epileptic,