學(xué)個詞 Learn A Word: 790 optimistic

今天我們要學(xué)的詞是optimistic。 Optimistic樂觀的。美國第二季度國內(nèi)生產(chǎn)總值公布后，"President Barack Obama said he is ’guardedly optimistic’ about the direction of the U.S. economy," 美國總統(tǒng)奧巴馬表示，他對美國經(jīng)濟的發(fā)展方向持“謹慎樂觀”態(tài)度。
樂觀有助健康。最新研究發(fā)現(xiàn)，"Women 50 or older who are optimistic are less likely to get heart disease," 五十歲以上的婦女中，樂觀的人更不容易得心臟病。"Optimistic women live longer and healthier lives than their pessimistic peers," 樂觀比悲觀的同齡女性壽命更長，身體更健康。好的，今天我們學(xué)習(xí)的詞是optimistic...