Two prototypes of the CR450 high - speed train, unveiled on Sunday in Beijing, are capable of reaching a test speed of 450 kilometers per hour and an operational speed of 400 km/h, which will make the CR450 the fastest high - speed train in the world once it enters commercial service.
12月29日，CR450动车组样车在北京发布，测试时速可达 450 公里。未来，CR450动车组投入商业运营后，运营时速将达到400公里，成为全球跑最快的高铁列车。
1、unveil/ /ʌnˈveɪl / v.（首次）展示，介绍，推出；将…公之于众
例句：They will be unveiling their new models at the Motor Show.
他们将在汽车展上首次推出自己的新型汽车。——《牛津高阶英汉双解词典》
2、capable/ /ˈkeɪpəbl/ adj.有能力的；有才能的（专升本词汇）
例句：I'm perfectly capable of doing it myself, thank you.
谢谢，我完全有能力自己做这项工作。——《牛津高阶英汉双解词典》
3、operational/ ˌɒpəˈreɪʃənl / adj.操作的；运转的；运营的；业务的；可使用的（专升本词汇）
例句：The new airport is now fully operational.
新机场现在可全面投入运营。——《牛津高阶英汉双解词典》
According to China State Railway Group, which led the development of the train, the CR450 has set new global benchmarks by excelling in key areas such as operational speed, energy efficiency, noise reduction and braking performance.
它由中国国家铁路集团有限公司牵头，据称，CR450动车组“成绩满满”，样车运营速度、运行能耗、车内噪声、制动距离等主要指标国际领先。
4、benchmark /ˈbentʃmɑːk / n.基准；标杆
例句：Her outstanding performances set a new benchmark for singers throughout the world.
她的出色表演为全世界的歌唱家树立了新的标杆。——《剑桥高阶英语学习词典》
5、efficiency/ ɪˈfɪʃnsi / n.效率；效能；功效（专升本词汇）
例句：She got through her work with speed and efficiency.
她迅速而高效地完成了工作。——《剑桥高阶英语学习词典》
Despite its higher speed, the CR450 has braking efficiency similar to those of trains running at 350 km/h — a result of significant engineering advancements that ensure the train's stability, performance and safety at higher speeds.
即使在高速运行下，其制动效率却与时速 350 公里的列车相仿，这是工程技术的重大进步，确保了列车在更高速度下的稳定性、性能和安全性。
6、similar/ ˈsɪmələ(r) / adj.相像的；相仿的；类似的（专升本词汇）
例句：My teaching style is similar to that of most other teachers.
我的教学风格和多数教师相似。——《牛津高阶英汉双解词典》
7、significant / sɪɡˈnɪfɪkənt / adj.有重大意义的；显著的（专升本词汇）
例句:Your work has shown a significant improvement.
你的工作有了显著改进。——《牛津高阶英汉双解词典》
8、stability/ stəˈbɪləti / n.稳定（性）；稳固（性）（专升本词汇）
例句: Our country has enjoyed a long period of peace and stability.
我国已经处于长期的和平与稳定。——《剑桥高阶英语学习词典》
A standout feature of the CR450 is its exceptional energy efficiency. The train's running resistance has been reduced by 22 percent and its weight cut by 10 percent, leading to improved fuel efficiency. These optimizations help minimize energy consumption despite the increased speed.
CR450 的一个突出特点是能效极高。动车组整车运行阻力降低了 22%，重量减轻了 10%，因此燃油效率得到提高。这些优化措施有助于在提速的情况下最大限度地降低能耗。
9、feature / ˈfiːtʃə(r) / n.特色；特征；特点（专升本词汇）
例句：An interesting feature of the city is the old market.
这座城市的一个有趣特征就是古老的市场。——《牛津高阶英汉双解词典》
10、exceptional / ɪkˈsepʃənl / adj.杰出的；优秀的；卓越的（专升本词汇）
例句：At the age of five he showed exceptional talent as a musician.
他五岁时就表现出非凡的音乐才能。——《牛津高阶英汉双解词典》
11、resistance/ rɪˈzɪstəns / n.阻力；抵抗（专升本词汇）
例句：The car's speed was reduced by air resistance.
汽车速度因空气阻力而降低了。——《剑桥高阶英语学习词典》
The CR450 also prioritizes passenger comfort, aiming to offer a smooth and quiet ride, even at 400 km/h. Advanced noise-reduction technologies ensure that the interior noise levels are comparable to those of the 350 km/h trains, providing a peaceful travel experience.
此外，CR450组 在舒适性方面进行了优化，即使在时速 400 公里的情况下，也能提供平稳、安静的乘坐体验。先进的降噪技术可确保车内噪音水平与时速 350 公里的列车相当，为乘客带来宁静的旅行体验。
12、comfort/ ˈkʌmfət / n.舒服，安逸；慰藉; v.安慰（专升本词汇）
例句：The letters that people wrote after his death gave me a lot of comfort. 他死后，人们写的信给了我很多安慰。——《剑桥高阶英语学习词典》
13、smooth/ smuːð / adj.光滑的,平滑的;流畅的（专升本词汇）
例句:We had a very smooth flight with no turbulence at all.
我们的飞行很顺利，没有碰到乱流。——《剑桥高阶英语学习词典》
The CR450 EMU exemplifies China's innovation-driven development strategy and demonstrates the country's scientific and technological capabilities. It reflects the advantages of China's socialist system, fostering self-reliance in railway science and technology and contributing to the modernization of the railway industrial system.
CR450 型动车组是中国创新驱动发展战略的典范，展示了中国的科技实力。它是中国特色社会主义制度优势的体现，是铁路科技自力更生的生动实践，为铁路工业体系的现代化做出了贡献。
14、demonstrate/ ˈdemənstreɪt / v.显示,表明;展示;表现（专升本词汇）
例句：These problems demonstrate the importance of strategic planning.
这些问题表明了战略规划的重要性。——《剑桥高阶英语学习词典》
15、contribute/ kənˈtrɪbjuːt /v.贡献；捐助（专升本词汇）
例句:Tourism contributes millions of pounds to the country's economy.
旅游业为国家经济贡献了数百万英镑。——《剑桥高阶英语学习词典》
文章转自中国日报网
https://www.chinadaily.com.cn/a/202412/29/WS67714d81a310f1265a1d57d6.html
