单词	當不得
释义	同BEAR
随便看	convection of frozen-in field line convection of heat convection on international trade in endangered species of wild fauna and flora｛=cites｝ convection oven convection pass convection pattern convection precipitation convection rainfall convection rates convection, rotation and planetary transits convection, rotation and planetary transits (corot) convections convection section convection signs convection space convection speed convection superheater convection surface convection temperature convection theory convection theory of cyclones convection tube convection vault convection velocity convection zone