慢速英语:World Leaders Urged to Meet Development Goals by 2015

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例句：The trees renew their foliage every year.
      树木每年都重新长出叶子。

2.undernourished adj.营养不良的

例句：One morning we came upon an abandoned undernourished puppy on the porch.
      一天早上在走廊上我发现了一只营养不良、被人抛弃的小狗。

3.decline n.下降, 减少, 衰退

例句：There has been a sharp decline in profits this year.
      今年的利润大幅度下降。

4.primarily adv.主要地, 首要地; 本来

例句：I am primarily interested in history.
      我主要对历史感兴趣。

5.severe adj.极为恶劣的; 十分严重的

例句：The party suffered severe losses during the last election.
      该党在上次选举中遭到惨败。

      A severe shortage of qualified staff.
       合格员工的严重短缺

严厉的; 重的

例句：The courts are becoming more severe on young offenders.
      法庭对青少年犯罪者的处罚趋于严厉。