insolation：暴晒，日光浴；中暑

词根词缀：in-内 + -sol-太阳 + -ation名词词尾

• flume
• flummery
• flummox
• flunk
• flunkey
• fluor
• fluorescent
• fluoride
• fluorine
• flurry
• flush
• fluster
• flute
• fluted
• flutist
• flutter
• fluvial
• flux
• fluxion
• fluxional
• fly
• fly agaric
• flyaway
• flyblown
• flyer