halve

v. 对分,减半
vt. 分成两半,平分,减少到一半

Let's halve the work between the two of us.

让我俩平均分担这份工作吧。

The latest planes have halve the time needed for cross the atlantic.

最新型号的飞机把飞越大西洋所需的时间减少了一半。