coronagraph / kəˈroʊ nəˌgræf, -ˌgrɑf /

🎓大学词汇冠状动脉冠词冕下冕冠

coronagraph 的定义

n. 名词 noun

Astronomy.

  1. an instrument for observing and photographing the sun's corona, consisting of a telescope fitted with lenses, filters, and diaphragms that simulate an eclipse.