<entry> <ent_seq>1287630</ent_seq> <k_ele> <keb>黒鍵</keb> </k_ele> <r_ele> <reb>こっけん</reb> </r_ele> <trans> <xref>白鍵</xref> <trans_det>black key (on a piano, organ, etc.)</trans_det> </trans> </entry>