the night gradually fell
用sky表示天色其实有点chinglish的,干脆就用it's getting dark,但是没必要用“越来越”（darker and darker）的句型,显得啰嗦.
天色渐渐暗了下来,用英文怎么说?
the night gradually fell
用sky表示天色其实有点chinglish的,干脆就用it's getting dark,但是没必要用“越来越”（darker and darker）的句型,显得啰嗦.