In the past eight years, the elephant population in Africa has been halved.
在過去的八年中,非洲大象的數量減少了一半。
The potatoes will cook more quickly if you halve them before you put them in the oven.
如果把馬鈴薯切成兩半再放進烤箱,它們會熟得更快。
Their profits have halved in the last six months.
在過去的六個月裡,他們的利潤減少了一半。