用法:
1 am/is/are not:
Things ain't what they used to be. 情况不像过去那样了.

用法:
2 has/have not:
You ain't seen nothing yet. 你什么也没看见.

• disarm
• disarray
• disaster
• disastrous
• disavowal
• disband
• disbar
• disbarment
• disbelief
• disbelieve
• disburse
• disbursement
• discard
• discern
• discernible
• discerning
• discernment
• discharge
• disciple
• disciplinarian
• discipline
• disclaim
• disclose
• disclosure
• discography