今天我们要学的词是 underestimate. Underestimate 动词，低估。President Obama admitted that the U.S. underestimated the rise of ISIL, also called ISIS. 美国总统奥巴马承认，美国低估了伊斯兰国势力的发展。哈佛大学最近一项研究显示，Americans grossly underestimate just how wide the gap is between what CEOs and average workers make in America. 美国民众严重低估了美国公司首席执行官和普通员工之间收入的差距。好的，今天我们学习的词是 underestimate, underestimate, underestimate...