VOA慢速英语:Why Getting Dirty Can Be Healthy for Children

1. involve vt. 包含
例句：His work involves occasional journeys.
他的工作偶尔需要出差旅行。

2. explain vt. 解释;说明
例句：Please explain this rule to me.
请给我讲解一下这条规则。

3. development n. 生长;进化;发展
例句：The doctor followed the development of the child closely.
医生仔细观察这个孩子的成长情况

4. inflammation n. 燃烧;激动
例句：I can't figure out why she got into such a state of inflammation.
我弄不懂她为什么会如此激动。

5. tissue n. 组织
例句：A tissue is a group of similar cells which have an identical generalfunction.
组织是一组具有相同的一般机能的类似细胞。

6. remarkable adj. 值得注意的;非凡的;卓越的
例句：He is a remarkable linguist.
他是一位杰出的语言学家。