1、This is despite a threefold increase in coal output, meaning that the death rate has plunged by about 80 percent.───与此同时，煤炭产量却增长了3倍，意味着死亡率下降了约80%。
2、The graph show a threefold increase in the number of . . .───该图表明…的数目增长了三倍
3、One survey revealed a threefold increase in breast cancer.───一项调查显示乳腺癌的发病率已是原来的三倍。
4、Meanwhile, the number of people over 65 will be rising to 300 million by 2050, a threefold increase.───与此同时，65岁以上的人的数目到2050年将上升到30亿，增长了三倍。
5、The graphs show a threefold increase in the number of…───该图表剖明…的数目增添了三倍。
6、THREEFOLD INCREASE IN RECYCLING───循环领域的三倍增长
7、This is a more than threefold increase from four years ago, when only 7% were considering it.───而四年之前只有7%的人在考虑这个问题，数目增长了三倍之多。
8、There has been a threefold increase in ectopic pregnancies in the U. S. since abortion was legalized.───在美国，堕胎合法化后异位妊娠的发病率升高了3倍。
9、a claim for treble (or triple) damages; a threefold increase.───三倍损害的要求；三倍的增加。
threefold increase（英语使用场景）
1、They also projected a threefold increase the incidence of this injury over the next 30 years.
2、It blamed the rise in fuel prices on the threefold increase in fuel consumption in the first half of the year.
3、A. There is a threefold increase in perinatal mortality, a twofold increase in abruptio placentae, and an increased rate of impaired fetal growth in pregnant women with preexisting hypertension.
threefold increase（意思翻译）
三倍增长
threefold increase（相似词语短语）
1、salary increase───加薪
2、increase rapidly───迅速增加；快速上升
3、threefold───adv.三重地，三倍地；adj.三倍的；三重的，有三部分的
4、increase dramatically───急剧上涨
5、increase───v.增加；增大；提高；增强；n.(Increase)（英、美、印、尼日尼亚）英克里斯（人名）；n.增加；增多；增长
6、marked increase───显著增加
7、an increase───增加
8、increase from───(使)…由(小)变大；(使)…由(少)增多；（使）…由（少）增多， （使）…由（小）变大
9、increase sharply───急剧地增加；激增；大幅增长
threefold increase（双语使用场景）
1、This is despite a threefold increase in coal output, meaning that the death rate has plunged by about 80 percent.───与此同时，煤炭产量却增长了3倍，意味着死亡率下降了约80%。
2、The graph show a threefold increase in the number of . . .───该图表明…的数目增长了三倍
3、One survey revealed a threefold increase in breast cancer.───一项调查显示乳腺癌的发病率已是原来的三倍。
4、Meanwhile, the number of people over 65 will be rising to 300 million by 2050, a threefold increase.───与此同时，65岁以上的人的数目到2050年将上升到30亿，增长了三倍。
5、The graphs show a threefold increase in the number of…───该图表剖明…的数目增添了三倍。
6、THREEFOLD INCREASE IN RECYCLING───循环领域的三倍增长
7、This is a more than threefold increase from four years ago, when only 7% were considering it.───而四年之前只有7%的人在考虑这个问题，数目增长了三倍之多。
8、There has been a threefold increase in ectopic pregnancies in the U. S. since abortion was legalized.───在美国，堕胎合法化后异位妊娠的发病率升高了3倍。
9、a claim for treble (or triple) damages; a threefold increase.───三倍损害的要求；三倍的增加。
threefold increase（英语使用场景）
1、They also projected a threefold increase the incidence of this injury over the next 30 years.
2、It blamed the rise in fuel prices on the threefold increase in fuel consumption in the first half of the year.
3、A. There is a threefold increase in perinatal mortality, a twofold increase in abruptio placentae, and an increased rate of impaired fetal growth in pregnant women with preexisting hypertension.