pruinose
pruinose[ˈpruːɪnəʊs, -z]adjective- (chiefly Botany)(of a surface, such as that of a grape) covered with white powdery granules; frosted in appearance
(主植)(诸如葡萄等表面)有粉霜的,带白粉的
语源- early 19th cent.: from Latin pruinosus, from pruina 'hoar frost'
考试词汇表