unimaginably
/ˌʌnɪˈmædʒɪnəbli/ 14to an unimaginable extent
adverb [方式副词]不能想像地；难以理解地
An ice age by mid-century would be unimaginably devastating.
到本世纪中叶，冰河时代的破坏力将难以想象。
单词造句:
An ice age by mid-century would be unimaginably devastating.
到本世纪中叶，冰河时代的破坏力将难以想象。