in·sol·u·ble
adjective/ɪnˈsɒljəbl/
/ɪnˈsɑːljəbl/
- (of a problem, mystery, etc.) that cannot be solved or explained
无法解决的；不能解释的 - The problem seemed insoluble.
问题似乎难以解决。
Oxford Collocations Dictionaryverbs- be
- seem
- remain
- …
- almost
- apparently
- seemingly
- …
- The problem seemed insoluble.
- insoluble (in something) (of a substance) that does not dissolve in a liquid
不能溶解的；不溶的 - These chemicals are practically insoluble in water.
这些化学物质几乎不溶于水。
Oxford Collocations Dictionaryverbs- be
- highly
- relatively
- almost
- …
- in
- These chemicals are practically insoluble in water.
Word Originlate Middle English: from Old French, or from Latin insolubilis, from in- ‘not’ + solubilis, from solvere ‘loosen, unfasten’.