Helioscope

[hi:liәskәup]

解釋/意思:

(n.) A telescope or instrument for viewing the sun without injury to the eyes, as through colored glasses, or with mirrors which reflect but a small portion of light.

錄入:露西

解釋/意思:

n. a telescope for viewing the sun without injury to the eyes by means of blackened glass or mirrors that reflect only a part of the light.—adj. Helioscop′ic.

克雷格編輯