[同义词]  addendum

 apply [] (v.) ask for something (in writing)（书面的）申请

[同义词]  We applied for a loan.

 applicant [ ] (n.) person who applies申请人

[例]  The applicant shows outstanding advantages among the candidates pool.

 application [  ] (n.) act of applying申请

 application form (n.) pre-printed form to make a request for a job申请表

[例]  Please fill in this application form at first.

 appoint [ ] (v.)choose someone for a job任命

[例]  We have decided to appoint a new sales manager.

[同义词]  assign, designate

 appointee [] (n.) person chosen for a position or job被任命者

[例]  He is lucky to be the appointee of this project.

 appointment [  ] (n.) 1. choice of someone for a new job任命

[例]  The appointment of area financial controller implies he has been promoted.

2. arrangement for a meeting约定（会议）

[例]  We fixed an appointment at four o’clock.

 appraisal [] (n.) calculation of the value of somebody or something 估价

[例]  Their appraisal of the necklace is about RMB 1,000.

[同义词]  evaluation, valuation, assessment

 appraise [  ] (v.) to judge the value of somebody or something估价

[例]  They appraised it was only worth $1.

[同义词]  evaluate, assess

 appraiser [ ] (n.) person who judges鉴定者，估价官

[例]  Who will be the appraiser?

 appreciate [  ] (v.) 1. be thankful for感激

[例]  I appreciated your help.

2. understand理解

[例]  I appreciate your problems.

3.increase in value增值

[例]  My shares have appreciated by 10%.

 apprentice [  ] (n.) young person who is learning a skill学徒

[例]  Don’t listen to him. Jack is only an apprentice.

[同义词]  learner, beginner

 apprenticeship[  ] (n.) period of time spent learning a skill学徒年限，学徒身份

[例]  Jack served an apprenticeship with a carpenter.

 appropriate [  ] (v.) to put an amount of money aside for a special purpose拨出（款项）