學(xué)個(gè)詞 Learn A Word:2230_ at-risk

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　　今天我們要學(xué)的詞是 at risk. At risk 意思是處于危險(xiǎn)之中。最新研究顯示，美國(guó)青少年缺覺(jué)情況日漸嚴(yán)重。Kids who don't get enough sleep are at risk for mood problems, depression, learning difficulties and poor grades. 睡眠不足的孩子面臨情緒化，精神憂(yōu)郁，學(xué)習(xí)困難，成績(jī)下降等風(fēng)險(xiǎn)。沙特阿拉伯一項(xiàng)研究顯示，One in four young people in Saudi Arabia are at risk for heart attacks due to unhealthy lifestyles. 由于生活方式不健康，沙特年輕人四個(gè)人里就有一個(gè)面臨心臟病的風(fēng)險(xiǎn)。好的，今天我們學(xué)習(xí)的詞是 at risk, at risk, at risk...