Being approximately a half.

• 大约一半的

Being approximately a half.的用法和样例：

例句

1. It's where about half of FAO staff work.
   该组织有大约一半的工作人员在此工作。
2. CO2 causes about half the total greenhouse effect.
   二氧化碳对整个温室效应起了大约一半的作用。