| 单词 | earcup |
| 释义 | > as lemmasearcup earcup n. (esp. in an aural device) a cup-shaped earpiece that fits over or encloses the user's ear in order to improve the reception of sound or to protect the ear from noise; (now) esp. such an earpiece in a pair of headphones; frequently attributive. ΚΠ 1864 J. R. Leaming Mem. G. P. Cammann 16 He had one [stethoscope] in his possession sent to him from Europe, which had one sound-collecting cup and two ear-cups, and was intended for two persons to hear the same sound at the same time. 1891 U.S. Patent 453,919 1/2 The branch tube is provided with a fork or clamp, which fork is adapted to receive and support the ear-cup when the mouth-piece is not in use. 1976 Shooting Mag. Dec. 33/2 (advt.) Lightweight muff-type ear protector... Earcups are manufactured from thermoplastic with soft sponge-filled ear cushions. 1993 New Scientist 10 July 32/1 American military researchers have reviewed several systems for monitoring the consciousness of pilots, but is currently only developing one, a device that is inserted in the pilot's helmet earcups or oxygen mask. 2007 Smithsonian Feb. 33/1 (advt.) With conventional technology, smaller earcups compromise performance. < as lemmas |
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