VOA慢速英语:WHO: Drowning Among Top Causes of Death in Children

1. survey vi.测量土地
例句：From the top of the hill you can survey the whole city.
从山顶上你可以俯瞰整个城市。

2. represent vt.表现，象征; 代表
例句：Did it represent a clear-cut reality?
这代表的是活生生的事实吗？

3. discover vt.发现; 碰见; 撞见
例句：That man will discover the truth.
那个人肯定能弄清真象。

4. promote vt.促进，推进; 提升
例句：The policy will promote rather than hinder reform.
这项政策将促进而不是妨碍改革。

5. opportunity n.机会; 适当的时机良机; 有利的环境，条件
例句：He is waiting for his opportunity.
他在等待机会。