two all二平twonum.二；两个two-spored mushroom二孢蘑菇two-Volterra system二维Volterra系统two-phase permalloy两相透磁钢two-point arbitrage两地套汇,两点套汇two-hand chest pass双手胸前传球two-position signal双位信号,双位式信号机two-component alloy二元合金two way vertical twin双向垂直对two-sample question两样本问题two out of three sets三盘二胜制

1. Two thirds of all girls in Britain are on a diet.
   在英国三分之二的女孩在节食。
2. When he ran for reelection he got about two thirds of the vote.
   难怪他再次竞选州长时，得了三分之二的高票。