epitomize [ɪ'pɪtəmaɪz] vt. 概括 embody the essential characteristics of or be a typical example of infiltrate ['ɪnfɪltreɪt] vt. 使渗入 cause to enter by penetrating the interstices aspect ['æspekt] n. 方面 a distinct feature or element in a problem appreciate [ə'pri:ʃɪeɪt] vt. 欣赏;感激 recognize with gratitude impact ['ɪmpækt] n. 影响 a forceful consequence; a strong effect promise ['prɒmɪs] n. 许诺 grounds for feeling hopeful about the future evolution [,i:və'lu:ʃ(ə)n] n. 演变 a process in which something passes by degrees to a different stage language ['læŋgwɪdʒ] n. 语言 communication by word of mouth flexibility [,fleksɪ'bɪlɪtɪ] n. 灵活性 the property of being flexible; easily bent or shaped effective [ɪ'fektɪv] adj. 有效的 producing or capable of producing an intended result or having a striking effect productive [prə'dʌktɪv] adj. ( 能 ) 生产的 producing or capable of producing entire [ɪn'taɪə] adj. 全部的 constituting the full quantity or extent squeeze [skwi:z] vt. 挤;紧握 press firmly define [dɪ'faɪn] vt. 定义 give a definition for the meaning of a word infancy ['ɪnf(ə)nsɪ] n. 初期 the early stage of growth or development