admit to 许可允许　　appear to 似乎好像　　apply sth to sth 把...适用于...　　ask for 要求　　assure sb of sth 使某人确信某事　　attach importance to = pay call attention to 重视　　at fault 有责任有错误　　be based on 以...为基础　　be bound t

1.abide by(=be faithful to obey)忠于遵守??2. be absent from…. 缺席不在??3. absence or mind(=being absent-minded) 心不在焉??4. absorb(=take up the attention of)吸引…的注意力(被动语态)be absorbed i??n 全神贯注于…近be engrossed