inconceivably
🇺🇸
/ˌɪnkənˈsiːvəbli/
🇬🇧
/ˌɪnkənˈsiːvəbli/
to an extent that is very surprising or hard to imagine
The size of the universe is inconceivably vast, stretching far beyond what we can see with our telescopes.
宇宙的大小难以想象地广阔,远远超出了我们用望远镜所能看到的。