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今天我們要學的詞是 screen time. Screen time 屏幕時間，指用在看電視，電腦，游戲機等電子設備上的時間。美國小兒科醫學會建議，Children younger than 2 should not have any screen time, while older children should have a maximum of two hours a day. 兩歲以下兒童不應該有任何屏幕時間，兩歲以上兒童最多只能有兩小時。最新研究指出，Children who have more than 2 hours of screen time a day are two and half times more likely to have high blood pressure. 每天屏幕時間超過兩個小時的孩子，血壓高的可能性是其他孩子的兩倍半。好的，今天我們學習的詞是 screen time, screen time, screen time...
