1.slump v. (价格、价值、数量等)骤降,猛跌,锐减
例句:Workers across the country have been put on short time because of the slump in demand.
因需求量大幅下降,全国的工人都开工不足 。
2.composite n. 合成物;混合物;复合材料
例句:China is a composite of multifarious traditions and people.
中国是多种传统和多个民族的合成体 。