基本解释n.[地质]陡岸同根派生 英汉例句Still, she swam the lastfew meters underwater and surfaced in the shadows of a cutbank beforeturning and looking back. 尽管如此，她还是潜过了最后几米，在一处堤岸突出部的阴影下露出头来，这才转身看向来路。