insoluble
🇺🇸
/ɪnˈsɑːljəbl/
🇬🇧
/ɪnˈsɒljəbl/
adjective
R
Unable to be solved or understood.
The mystery of the missing necklace was insoluble for a long time.
失踪项链的谜团长时间无法解决。
R
Not able to be dissolved in a liquid.
The oil and water mixture was insoluble, so they remained separate.
油和水的混合物是不溶的，所以它们保持分离。
translation
无法解决的, 不溶解的