snow·cap /-ˌkæp/
山頂的積雪
Snow·cap n. Zool. A very small humming bird (Microchaera albocoronata) native of New Grenada.
Note: ☞ The feathers of the top of the head are white and snining, the body blue black with a purple and bronzy luster. The name is applied also to Microchaera parvirostris of Central America, which is similar in color.
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snowcap
n : a covering of snow (as on a mountain peak)