多普勒效应 duō pǔ lè xiào yìng

DEFINITIONS

  1. the Doppler effect

CHARACTERS

多 duō
HSK 1
much, many; more than, over
普 pǔ
HSK 4
universal, general, widespread
勒 lè strangle, tighten
效 xiào
HSK 4
result, effect; effectiveness
应 yìng
HSK 3
should, ought to, must