to make visible / to reveal / prominent / conspicuous / (prefix) phanero-
显
=
业
+
日
:
Marie Curie (xi) is dating the bullfrog (业) in the anthill (an3). There is a prominent (显) sun (日) floating over the bullfrog which Marie just cannot ignore, so she has to stare at the sun barely able to say anything for the whole evening.
晶
=
日
:
Joan of Arc (ji) wants to solve the atomic structure of the sun, and so she uses a lot of suns (日) to create a crystal (晶) for X-ray crystallography in front of the engine ((e)ng1).