downdrift

downdrift读音音标

英 [\'daʊndrɪft]

美 [\'daʊndrɪft]

downdrift意思解释

n.

往下漂流，逐渐下降；

英英释义

In phonetics, downdrift is the cumulative lowering of pitch over time due to interactions among tones, called downstep, in a tonal language. It is distinct from the general lowering of the pitch during prosodic contours of a tonal or non-tonal language.