ReadWriteQuiz
Chinese dictionary
so deep one cannot see to the bottom; limitless
海水颜色是暗灰绿色,深不见底。
The color of the sea is dull gray-green and it is bottomless.
深不见底的洞穴
bottomless pit
海水颜色是暗灰绿色,深不见底。
The color of the sea is dull gray-green and it is bottomless.
深不见底的洞穴
bottomless pit