labellum
labellum[ləˈbɛləm](pl. labella )- (Entomology)each of a pair of lobes at the tip of the proboscis in some insects
(昆)(口器吻端的)唇
- (Botany)a central petal at the base of an orchid flower, typically larger than the other petals and of a different shape
(植)(兰花的)唇瓣
语源- early 19th cent.: from Latin, diminutive of labrum 'lip'
考试词汇表