常见例句The latest planes have halved the time needed for crossing the Atlantic.最新型號的飛機把飛越大西洋所需的時間減少了一半。It is one of their proudest boasts that they have halved the death rate from typhoid.他們使傷寒病人的死亡率降低了一半，這是他們最感驕傲的事之一。 返回 halving