dropsonde

/drop-sond/US // ˈdrɒpˌsɒnd //UK // (ˈdrɒpsɒnd) //

滴水不漏,滴滴出行,滴滴打车,滴答网

Definitions

n.名词 noun

1
Meteorology.
- : an instrument similar to a radiosonde that is attached to a parachute and released from an aircraft.