knee-deepadj.(形容词)Reaching as high as the knees:齐膝深的:达到与膝等高的:例句:knee-deep floodwaters.齐膝深的洪水Submerged to the knees:没膝的:淹没到膝部的:例句:was knee-deep in mud.淹在没膝的烂泥中Deeply occupied or involved:深陷其中的:被牢牢地掌握或深深地涉及的:例句:is knee-deep in work.忙于工作