今天我们要学的词是challenge。 Challenge, 是挑战的意思。经济不景气，使今年的大学毕业生面临严峻的就业挑战。 "College graduates are facing tough challenges in finding a job amid the economic downturn," 奥巴马在法国曾表示， "We can meet any challenges as long as we are together," 只要大家齐心合力，就能克服任何挑战。

北韩星期天发射远程火箭。《华盛顿时报》的社论称， "It is a direct challenge to President Obama and his 'soft power' foreign policy," 这是对美国总统奥巴马和他的“软实力”外交政策的直接挑战。好的，今天我们学习的词是challenge...