日冕层

日冕层	rì miǎn céng	the sun's corona
日	rì	(bound form) sun / day / day of the month / (bound form) Japan (abbr. for 日本) / (vulgar) to fuck; to have sex with
日冕	rì miǎn	corona
冕	miǎn	crown in the form of a horizontal board with hanging decorations / imperial crown
层	céng	to pile on top of one another / layer; stratum / floor (of a building); story / (math.) sheaf / classifier for layers