quick.sand
n.(名词)A bed of loose sand mixed with water forming a soft, shifting mass that yields easily to pressure and tends to engulf any object resting on its surface.流沙:一种由松散的沙子和水混合成的沙层,形成一堆松软、移动的物质,在压力下很容易塌陷,并可吞没置留在沙面上的任何物质Often quicksands A place or situation into which entry can be swift and sudden but from which extrication can be difficult or impossible: 常作 quicksands 陷阱:一种可快速轻易进入的地方或形势,但从中脱身可能很困难或不可能的:例句:.This theory of the future entrapped[them] in the quicksands of Vietnam. (Arthur M. Schlesinger, Jr.).这一关于未来的理论使[他们] 掉进了越南这个泥潭之中. (小阿瑟M.施莱辛格)