a fifty-fifty split.

• 一分为二

a fifty-fifty split.的用法和样例：

例句

1. A deep trough divides the two parts of the Antarctic.
   一道很深的海沟把南极洲一分为二。
2. The method in this section will only split a partition into two pieces.
   本节所述的方法只会把一个分区一分为二。