减半的英文：
halve
Yet the Bush administration claims it can halve the budget deficit by 2009.
不过，布什政府宣称有能力在2009年前将财政赤字减半。
They are going to halve my salary.
他们准备把我的薪水减半。
Reduction of the diploid number of chromosomes by one half during meiosis,resulting in the haploid number.
减半作用在减数分裂过程中染色体双倍体数目的减半而导致其变成单倍体数目
v. 把…分成两半；把…减半，对分，平摊
Two halves make a whole
两个一半成为整个
Never do things by halves
凡事不可半途而废
The portion of a stamen that connects the halves of an anther.
药隔雄蕊连接一半花药的部分
He ripped the letter across and threw the halves into the basket.
他把信件撕成两半，扔进字纸篓。
Halving the repeater spacing made it possible to quadruple the bandwidth.
将增音机间距减少一半，能使宽带增加3倍。