/ɪnˈfɪnəti ||; ɪnˈfɪnətɪ/noun1 [U] space or time without end 无限的空间或时间；无限 (figurative 比喻) The ocean seemed to stretch over the horizon into infinity. 海洋似乎伸展到地平线以外，一望无垠。
2 [U] [C] (symbol ∞) (in mathematics) the number that is larger than any other that you can think of （数学）无穷大，无限大