in·dis·sol·u·ble
adjective/ˌɪndɪˈsɒljəbl/
/ˌɪndɪˈsɑːljəbl/
(formal)- (of a relationship) that cannot be ended
牢不可破的；稳定持久的 - an indissoluble friendship
稳固持久的友谊
Word Originlate 15th cent.: from Latin indissolubilis, from in- ‘not’ + dissolubilis (from the verb dissolvere, from dis- ‘apart’ + solvere ‘loosen or solve’). - an indissoluble friendship