■ hair

通常是不可数名词，只用单数。

• His hair is black.他的头发是黑色的。

但是也可以作为可数名词指一根根的头发。

• So why has he got two blonde hairs on his jacket?那么为什么他外套上有两根金色头发呢？

• disappeared
• disapprove
• disapprove of
• disapprove 与 disapprove of
• discover
• discover 与 invent
• disinterested
• disinterested 与 uninterested
• dislike
• disposal
• disposal 与 disposition
• dispose of
• disposition
• dissatisfied
• dissatisfied 与 unsatisfied
• distance
• distinct
• distinct, distinctive 与 distinguished
• distinctive
• distinguish
• distinguished
• distribute
• distrust
• divorce
• do