bottomlessKK [ˋbɑtəmləs] /ˈbɑtəmləs/发音形容词1无底的、深不可测的The cave seemed to open into a bottomless pit of darkness.那个洞穴仿佛通往一个深不可测的黑暗深渊。2无限的、用不完的、无穷的They assumed the company had bottomless funds for research.他们以为公司有用不完的研究经费。3无限畅饮的、无限续杯的口语The café offers bottomless coffee for ten dollars.那家咖啡厅花十块钱就能无限续杯咖啡。用这个字练口说→