doubling the angle on the bow

例句：

1. 1. The company doubled its profits last quarter.
   该公司上个季度的利润增加了一倍。
2. 2. We need to double the amount of water we use.
   我们需要将使用的水量加倍。
3. 3. The teacher doubled the students' homework assignments.
   老师将学生的作业任务加倍了。