There was a proposal in the United States to quadruple its annual intake of immigrants.在美国有提案建议把每年移民的接收数量增加3倍。...a quadruple murder.四尸命案We have hope to quadruple the total industrial and agricultural output by the end of...
They could sell their merchandise for quadruple the asking price.他们能够以4倍于要价的价钱出售他们的商品。We have hope to quadruple the total industrial and agricultural output by the end of the century, which is a lofty aim.我们有雄心壮志,到本世纪末, ...