2. fluency n.（外语）流利，流畅fluent a. 流利的；流畅的 fluently adv. 1. behavior n.行为 behave v. 举止3. appear v. 出现 appearance n. 外表；出现disappear vi. 消失 disappearance n. 消失4. enjoy vt. 欣赏，喜欢；享受之乐趣 enjoyable a. 愉快的；有趣的.enjoyment n 乐事，令人愉快的事情be fluent in 说流利他英语说得很流利。He is _ in English.He speaks very _ English.He speaks English very _.He speaks English with great _.fluentfluentfluentlyfluency5. misunderstand vt. 误解misunderstanding n. understand vt. 理解6. amazing a. 令人惊叹的; 震惊的amazed a. 惊讶的amaze vt. 使惊讶amazement n. 惊讶7
