| 单词 | billionth |
| 释义 | billionbillion /ˈbɪlyən/ ●○○ number (plural billion or billions) 1,000,000,000: $7 billionbillions of dollars/pounds/yen etc. Billions of dollars have been spent.a/one billion The final cost could be as much as a billion dollars.—billionth adjective, pronoun, noun → see Grammar at hundred1 |
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