■ accident

也可以不是“事故”，而是“尿了床”，或是“尿了裤子”。

• The child had a little accident.孩子尿了裤子了。
• Should you have an accident, synthetic quilts are quite easy to wash.万一尿了床，化纤被子是很容易洗的。

• avenge
• avenge 与 revenge
• average
• average, median, mean
• avoid
• avoid
• avoid 与 prevent
• await
• aware
• aware
• awareness
• aware 与 conscious
• away
• away from
• awesome
• awesome 与 awful
• awful
• back
• bake
• balk
• banner
• banner 与 flag
• barely
• based on
• basic