Entryphone

n (propr 专利名) type of telephone placed on the wall by the entrance to a building, esp a block of flats, to enable visitors to speak to individual occupants before being allowed to enter 对讲机（安装在公寓等建筑物入口处墙上的一种电话, 可使来访者与住户通话後获准入内）.

entomologist, entomology, entourage, entrails, entrance, entranced, entrant, entrap, entrapment, entreat, entreatingly, entreaty, entree, entrench (also intrench), entrenchment, entrepot, entrepreneur, entrepreneurial, entrust, entry, entwine, enumerate, enumeration, enunciate, enunciation, envelop, envelope, envelopment, envenom, enviable, enviably, envious, enviously, environment, environmental, environmentalist, environmentally, environs, envisage, envision,