twocoreadj.双磁心的(双活性区的)twonum.二；两个two-fan cleaning双风扇清选two-column table双栏表two basic purposes双基目标two-sided module双边模two-stage policy两阶段策略two-phase commit二阶段确认, 二阶段提交two step estimator二阶段估计two-valley model双能谷模型,双谷模型two-proton decay双质子衰变two-sheet folder双张折页机

1. The equator divides the earth into two hemispheres.
   赤道把地球划分成为两个半球。
2. Two and a half months later, Mr.Schwartz still isn't quite sure.
   两个半月之后，舒尔茨先生对这个问题仍然没有一个准确的答案。