释义 |
ag·grade AHD[ə-grādʹ] D.J.[əˈgreɪd]K.K.[əˈgred]v.tr.(及物动词)ag.grad.ed, ag.grad.ing, ag.grades - To fill and raise the level of (the bed of a stream) by deposition of sediment.使填积;使淤高:通过沉淀淤积而填充或升高(河床)的高度
ag'gradaʹtion AHD[ăg'rə-dāʹshən] (名词)ag'gradaʹtional adj.(形容词) |