| 释义 |
〔groin〕A small jetty extending from a shore to protect a beach against erosion or to trap shifting sands.堤坝，折流坝：从海滩伸出以保护海滩不受侵蚀或阻滞流沙的小型防波堤〔quicksand〕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 |