n unusual largeness in size or extent or number
n. 巨大, 广大, 广漠
1. The vastness of the ocean is breathtaking.
海洋的广阔令人叹为观止。
2. We stood in awe at the vastness of the desert.
我们惊叹于沙漠的辽阔。
3. The vastness of space makes us feel small.
宇宙的浩瀚让我们感到渺小。