They often fold over or bunch up, turning them into booby traps for anyone shuffling down the hall.

它们经常折叠或堆成一堆，成了任何拖着脚走过大厅的人的陷阱。

youdao

This is an increase of more than three-fold over totals for the past several years and highlights the expanding portfolio of financial services we offer.

这一交易量超过以往七年总交易量的三倍以上，充分显示我们提供的金融服务种类不断增加。

youdao

The initiatives announced today should increase that proportion at least seven-fold over the next four years, to 15% or more.

今天所宣布的这两项倡议在未来四年内应使该比例至少增加7倍，达到15%或更多。

youdao

As China's economy has grown 10-fold over the past 15 years, the country's environment has been degrading.

VOA: standard.2010.04.07

Samsung and Toshiba will focus on assuring a 400Mbps interface for the toggle DDR 2.0 specification, which provides a three-fold increase over toggle DDR 1.0, and a ten-fold increase over 40Mbps SDR NAND in widespread use today.

ENGADGET: Samsung and Toshiba double-down on 400Mbps DDR 2.0 NAND flash memory standard

He is focusing on keeping Nimble on its three-fold year-over-year growth in the number of customers and revenue.

FORBES: Targeting EMC and NetApp, Nimble Storage Flashing Towards an IPO

While only a few hundred participants were taking estrogen plus testosterone, that number increased eight-fold over the 10-year study period.

NPR: Small-Dose Bird Flu Vaccine Proves Effective in Trials