VOA慢速英语:The Search for DNA from A Creature That May Not Exist

词汇讲解：

1. exist vi. 存在
例句：That word doesn't exist in English.
英语中没有这个字。

2. provide vt. 提供
例句：On Sundays his landlady provided dinner as well asbreakfast.
星期天,他的女房东不但供给早餐,还供给晚餐。

3. examine vt. 检查;细查
例句：The doctor examined the boy and found there was nothing thematter with him.
医生检查了男孩的身体发现他是健康的。

4. digest vt. 消化(食物)
例句：The baby is too small to digest meat.
婴儿太小,吃肉不消化。

5. survive vt. 在...之后仍然生存,从...中逃生
例句：Only two passengers survived the air-crash.
这次飞机失事只有两名乘客幸免于死。

6. affect vt. 影响;对...发生作用
例句：The amount of rain affects the growth of crops.
雨量影响作物的生长。

7. publish vt. 出版;发行
例句：The publishing house has published five dictionaries.
这家出版社已出版了五部字典。