电离室

ionization chamber

lightning / electricity / electric (bound form) / to get (or give) an electric shock / phone call or telegram etc / to send via telephone or telegram etc

ion / ionized (e.g. gas)

mythical beast (archaic)

surname Li

to leave / to part from / to be away from / (in giving distances) from / without (sth) / independent of / one of the Eight Trigrams 八卦[ba1 gua4], symbolizing fire / ☲

surname Shi

room / work unit / grave / scabbard / family or clan / one of the 28 constellations of Chinese astronomy