hearing-aid

n small device that amplifies sound and helps a deaf person to hear 助听器: have/wear a hearing-aid 有[戴]助听器.

health farm, health food, health inspector, health service, health visitor, health-care, healthcare, healthful, healthily, healthiness, healthy, heap, hear, hear from, hear of, hear of (about), hear sb. out, heard, hearer, hearing, hearken, hearsay, hearse, heart, heart and soul, heart attack, heart failure, heart to heart, heart-break, heart-breaking, heart-broken, heart-lung, heart-rending, heart-searching, heart-strings, heart-throb, heart-to-heart, heart-warming, heartache, heartbeat,