| 词汇 | trillion |
| 词根词缀 | 词源： 1690, from Fr. trillion (c.1484), from tri- + (m)illion. Cf. billion. In the U.S., the fourth power of a thousand (one thousand billion, 1 followed by 12 zeroes); in Great Britain, the third power of a million (one million billion, 1 followed by 18 zeroes), which is the original sense. |
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