英语词源
- amplifier (n.)
- 1540s; agent noun from amplify. Electronic sense is from 1914; shortened form amp is from 1967. Alternative stentorphone (1921) did not catch on.
权威例句
- 1. a 25 watt amplifier
- 一台25瓦扩音器
- 2. The amplifier exploded in a fountain of sparks.
- 放大器爆炸，喷射出火星。
- 3. All the speakers hook up to a single amplifier.
- 所有喇叭都接在单一的扩音器上.
- 4. The guitar plugs into this amplifier.
- 这把吉他能接到这个扬声器上.
- 5. Amplifier is electrical device which make sounds louder.
- 扩音器是一种使声音放大的电气装置.
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