hour.glass
n.（名词）An instrument for measuring time, consisting of two glass chambers connected by a narrow neck and containing a quantity of sand, mercury, or another flowing substance that trickles from the upper chamber to the lower in a fixed amount of time, often one hour.沙漏；滴漏：用于计时的仪器，由两个玻璃盒组成，中由一细颈相连，盒内装有一定量的沙子，水银或其他流动物质，这些物质在一固定量的时间里，通常为一个小时，从上方的盒内慢慢流入下方的盒子中adj.（形容词）Shaped like an hourglass:沙漏状的：例句：an hourglass design; an hourglass figure.沙漏状的图案；沙漏形的图形
