| 单词 | Doppler effect |
| 释义 | Doppler effect UK ['dɒp.lə.rɪˌfekt] US ['dɑ:.plɚ.ɪ-] (also Doppler shift) specialized noun uncountable ■a change that seems to happen in the rate of sound or light wave production of an object when its movement changes in relation to another object 多普勒效应 |
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