(
课件网) Unit 1 Science and Scientists Words and Expressions 人教版2019选择性必修第二册 severe [s 'v (r)] adj.极为恶劣的;十分严重的; 严厉的 be severe on/with 对……严厉 be severe with oneself 严于律己 注意："be severe on"强调对人的态度或要求，如老师对学生的管理；"be severe with"侧重自我约束或批评，如对自己的要求。 severely adv.严重地; 严厉地; 严格地 总结 趁热打铁 I think you are too severe on the boy.（我认为你对那个男孩太严厉了。） The professor is severe with his students, demanding high standards.（教授对学生的要求很严格。） We must be severe with ourselves to achieve our goals. （我们必须严于律己才能实现目标。） He is severe with his work, always aiming for perfection. （他对工作要求严格，力求完美。） severe [s 'v (r)] adj.极为恶劣的;十分严重的; 严厉的 - severe weather 恶劣的天气 - severe impact 严重影响 - a a severe disease重病 - a severe crisis严重的危机 - severe losses 严重损失 -severe punishment受到严厉处罚 - severe dehydration 严重脱水 dehydration [ di ha 'dre n] n. 脱水 死于严重脱水 die from severe dehydration dehydrate vt. 使脱水，使干燥; vi.（人体的）脱水，失水 趁热打铁 The hikers died from severe dehydration after being stranded in the desert for three days without water. 徒步者因在沙漠中三天未饮水而死于严重脱水。 frustrated [fr stre t d] adj. 懊恼的；沮丧的；失意的 feel/be frustrated at/with... 对……感到沮丧/懊恼 frustrate vt. 挫败；阻止；使沮丧 frustration n. 挫折 frustrating adj. 令人沮丧的 趁热打铁 She felt frustrated with the unfair treatment in the exam. 她对考试中的不公平待遇感到沮丧 He felt frustrated at being constantly interrupted during his work.（他因工作中不断被打断而感到懊恼 总结 contradictory [ k ntr 'd kt ri] adj. 相互矛盾的; 对立的 be contradictory to… 与……矛盾、相反 in contradiction to…与……矛盾、相反 contradict v. 反驳; 与……相矛盾 contradiction n. 抵触; 矛盾; 矛盾的说法 His claim that he never lied is contradictory to the evidence presented." 他声称从未说谎，这与证据相矛盾 总结 infection [ n'fek n] n. 感染;传染 be infected with/by 感染上……, 传染上…… infect v. 传染; 使感染, 使感染(某种感情); 影响 infectious adj. 传染性的 infected adj. 感染的 She was infected with the flu during the trip. 她在旅行中感染了流感 cross infection 交叉感染；交叉传染 infection rate 感染率；侵染率；感染的速率 respiratory infection 呼吸道感染 source of an infection 感染源 趁热打铁 infection [ n'fek n] n. 感染;传染 subscribe [s b skra b] vi.认购(股份)；定期订购；定期交纳(会费) subscribe to 同意，赞同；订购；订阅；捐助 subscriber n. 订阅人；定期捐款者；消费者 subscription n. 订阅；订阅费；定期捐款 1.The library subscribes to 50 journals each year.（该图书馆每年订阅50种期刊。） 2.We subscribe to The New York Times for regular updates.（我们定期订阅《纽约时报》。 3. I heartily subscribe to the idea of reducing carbon emissions.（我衷心支持减少碳排放的想法。. multiple ['m lt pl] adj. 数量多的; 多种多样的 multi- 前缀 “多种”： multilingual a. 多种语言的 multidirectional a. 多方向 ... ...
