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Definitions3 characters
ri4 jiao4 cha1
(meteorology) diurnal range (temperature, humidity etc)
Usage•••frequent
Pronunciations

As word

1
ri4
(meteorology) diurnal range (temperature, humidity etc)
2
jiao4
(meteorology) diurnal range (temperature, humidity etc)
3
cha1
(meteorology) diurnal range (temperature, humidity etc)