时间:2022-07-28 20:56:08
(从前半聋人用的号筒形)助听器。
ear: n. 1.(稻麦等的)穗。 2.〔pl.〕灯花。 短语和 ...
trumpet: n. 1.喇叭;【音乐】小号;喇叭声,小号声;喇叭般的声 ...
a conical acoustic device formerly used to direct sound to the ear of a hearing-impaired person
同义词:hearing aid,
Ear trumpets are tubular or funnel-shaped devices which collect sound waves and lead them into the ear. They serve as hearing aids, resulting in a strengthening of the sound energy impact to the eardrum and thus a better hearing for a reduced or decreased hearing individual.