insoluble
🇺🇸
/ɪnˈsɑːljəbl/
🇬🇧
/ɪnˈsɒljəbl/
adjective
R
Unable to be solved or understood.
The mystery of the missing necklace was insoluble for a long time.
失蹤頸鏈的謎團長時間無法解決。
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，所以它們保持分離。
translation
無法解決的, 不溶解的