每日一句四级英语口语训练76
口语练习
Three grand essentials to happiness in this life aresomething to do, something to love, and somethingto hope for. 生活中的快乐三要素：有事做，有热爱，有梦想。
重点词汇
essential adj.基本的; 必要的; 本质的; 精华的
例句：
Polyunsaturated oils are essential for health. Excessis harmful, however.多不饱和油对健康很重要。但是，食用过量就会有害。
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