sunbeam

名词noun

1. 1A ray of sunlight; especially, a demarcated, narrow, and intense (relative to ambient light) ray of sunlight (as revealed by, for example, its diffraction among dust particles).
2. 2Any of various lycaenid butterflies of the genus Curetis.
3. 3Any hummingbird of the genus Aglaeactis.
4. 4UKSynonym of sunshine (“ironic form of address to an inferior or troublemaker”).
5. 5Australia, colloquial, dated