Noun:

1. a sound like whistling or snoring that is heard with a stethoscope during expiration as air passes through obstructed channels

Rhodan.罗达(frhon.ρ(希腊字母的第17字)Rhododendron ludlowiin.广口杜鹃Rhododendron zekoensen.泽库杜鹃Rhododendron sidereumn.银灰杜鹃rhodioside derivative红景天苷衍生物Rhodiola bupleuroidesn.柴胡红景天Rhododendron Arboreumn.树形杜鹃；树形杜鹃(杜鹃花科)Rhododendron ciliatumn.睫毛杜鹃Rhodoleia parvipetala小花红花荷rhombic brachypyramid斜方短锥Rhododendron potaninin.甘肃杜鹃