Amazingly, it reduced by half the number of babies dying.

令人惊奇的是，皮质醇使婴儿死亡率降至一半。

youdao

TheKing has ordered half the number of guards he usually puts on the wall.

国王也把其半数侍卫军投入到城墙的防守中去了。

youdao

Yet they have just over three children now, less than half the number their mothers had.

不过她们的平均生育率是每人三个小孩，比她们母亲的生育率的一半还要少。

youdao

The delegates in Rome promised to continue efforts to reduce by half the number of hungry people by two thousand fifteen.

VOA: special.2009.11.23

As much as we know about tobacco in the United States and the fact that there are only half the number of people smoking than used to be the case, it's still expected to rise by 45% worldwide By 2030 the deaths attributed to smoking will increase from four to ten million.

就我所知美国的烟民情况,在美国吸烟的人数,只有过去的一半,在世界范围内仍有预计45%的增长,到2030年,死于吸烟的人数,将由四百万增长至一亿

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The number of electrons in an atom is deduced to be approximately equal to half the atomic weight.

原子中的电子数,将近是原子质量的一般。

麻省理工公开课 - 固态化学导论课程节选

One year, there were about half the number of his buoys in the bay.

FORBES: Paradox of Innovation & Status Quo

That, in turn, reduced by half the number of medicines tossed out because patients were discharged.

FORBES: Magazine Article

The UK has half the number of lung specialists compared to our European neighbours.

BBC: 'A sharp intake of breath'