accentuate v. 着重，强调
acclimate v.使习惯于新环境；适应于新环境
accommodate vt.容纳；供应，供给
accumulate vt.积累 vi.堆积
accurate a.准确的，正确无误的
annihilate v. 消灭
annotate v. 注解
antedate (在信，文件上)写上较早日期
anticipate vt.预料，预期，期望
apostate n. 背教者，变节者
appellate a. 控诉的,上诉的.
appreciate vt.感激；欣赏
appropriate a.适当的，恰当的
approximate a.近似的 vt.近似
arbitrate v. 仲裁，公断