短语词组短语economic abasement 经济萧条animosity abasement 极化简并度polarization abasement 极化简并度business abasement 商业萧条abrupt abasement 急剧退化Freshwater abasement 淡水恶化abasement apparatus 老化机构backswamp abasement 漫滩高地image abasement 像劣化 返回 abasement