billion
pron, det
1 (Brit) 1000000000000; one million million(s) 万亿; 兆兆. =>App 4 见附录4.
2 (esp US) 1000000000; one thousand million(s) 十亿; 千兆. =>App 4 见附录4. billion, n (pl unchanged or ~s 复数或不变或作billions)
1 (Brit) the number 1000000000000 万亿之数.
2 (esp US) the number 1000000000 十亿之数. Cf 参看 milliard. For the uses of billion see the examples at hundred. 关於billion的用法见hundred词条中的示例.