entrenchment

n 1 [C] system of trenches made for defence 堑壕. 2 [U] action of entrenching or being entrenched 掘壕沟; 用壕沟防护.

entirety, entitle, entitlement, entity, entomb, entomological, entomologist, entomology, entourage, entrails, entrance, entranced, entrant, entrap, entrapment, entreat, entreatingly, entreaty, entree, entrench (also intrench), entrepot, entrepreneur, entrepreneurial, entrust, entry, Entryphone, entwine, enumerate, enumeration, enunciate, enunciation, envelop, envelope, envelopment, envenom, enviable, enviably, envious, enviously, environment,