Unit 2 Success Topic Talk & Lesson 1 & Lesson 2 单词讲义-2023-2024学年高中英语北师大版（2019）选择性必修第一册

Unit2 topic talking-lesson2单词讲义 persistent 词性：形容词 中文意思：坚持不懈的，持续存在的 英文释义：continuing firmly or obstinately in an opinion or a course of action 词源：来自拉丁语persistere，意为“坚持”。 例句：He was persistent in his efforts to improve the company's performance. 固定搭配：persistent effort/struggle/demand/threat 近义词：tenacious, determined, resolute determined 词性：形容词 中文意思：坚决的，有决心的 英文释义：having a strong will and purpose; not easily swayed or discouraged 词源：来自古法语determiner，意为“确定”。 例句：She is a determined woman who never gives up easily. 固定搭配：determined effort/attack/campaign 近义词：resolute, firm, unwavering optimistic 词性：形容词 中文意思：乐观的，乐观主义的 英文释义：feeling or showing confidence that good things will happen 词源：来自希腊语optimismos，意为“最好”。 例句：She is always optimistic about her future despite the difficulties she faces. 固定搭配：optimistic attitude/outlook/prospect 近义词：hopeful, positive, sanguine astronaut 词性：名词 中文意思：宇航员，航天员 英文释义：a person trained to travel in outer space by a spacecraft 词源：来自希腊语astron（星星）和nautes（船），意为“航行在星星之间的人”。 例句：The astronauts completed their mission and returned safely to Earth. 固定搭配：astronaut training/program/mission 近义词：cosmonaut, spaceman, spacewoman disciplined 词性：形容词 中文意思：有纪律的，受过训练的 英文释义：controlled by rules and self-control; well-trained or orderly 词源：来自拉丁语disciplina，意为“学科”。 例句：The team is disciplined and works well together. 固定搭配：disciplined behavior/mindset/lifestyle 近义词：organized, orderly, well-behaved committed 词性：形容词 中文意思：忠诚的，坚定的，承诺的 英文释义：having strong beliefs or principles and being determined to uphold them 词源：来自拉丁语committere，意为“委托，托付” 例句：He is a committed environmentalist.（他是一个忠诚的环境主义者。） 固定搭配：committed relationship（忠诚的关系），committed crime（犯罪行为） 近义词：loyal, dedicated, faithful enthusiastic 词性：形容词 中文意思：热情的，热心的，狂热的 英文释义：feeling or showing a strong interest in or excitement about something 词源：来自希腊语enthousiasmos，意为“内在的热情” 例句：She is an enthusiastic supporter of the local arts scene.（她是当地艺术场景的热情支持者。） 固定搭配：enthusiastic about（对……热情），enthusiastic welcome（热烈的欢迎） 近义词：passionate, eager, zealou