今天我们要学的词是 high-speed. High-speed 高速的，快速的。At least 10 people died when a French high-speed train derailed during a test run. 法国一架高速火车在试行过程中脱离轨道，造成至少十人丧生。The U.S. is exploring the idea of building a high-speed rail line that travels from Washington D.C. to Baltimore, Maryland in about 15 minutes. 美国考虑在华盛顿特区和马里兰州巴尔的摩之间修建一条高铁，单程只需15分钟到达。好的，今天我们学习的词是 high-speed, high-speed, high-speed...