umbra
英 ['?mbr?]
美['?mbr?]
- n. [天] 本影，[天] 暗影；蝕時(shí)的地球
實(shí)用場景例句
- This is a lighter area between the umbra and the edge of a shadow.
- 這是本影和陰影邊緣之間較亮的區(qū)域.
辭典例句
- Only moon umbra totally puts on earth, the shadow area can watch the eclipse.
- 唯有在月球的本影投影在地球表面時(shí), 在該區(qū)域的人才能夠觀測到日食.
期刊摘選
- This includes the continuous survey of umbra and penumbra of the sunspot.
- 這包括對(duì)太陽黑子本影和半影持續(xù)的觀測.
辭典例句