apprentice [ E5prentis ] (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[ E5prentis7Fip ] (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 [ E5prEupriit ] (v.) to put an amount of money aside for a special purpose拨出（款项）

[例]  They appropriated $10,000 for bribery.

 approve [ E5pru:v ] (v.) agree to pass officially批准

[例]  They Board approved the new plan.

[同义词]  accept

approval [ E5pru:vEl ] (n.) agreement批准

 aptitude [ 5Aptitju:d ] (n.) natural ability (to do a task)天资

[例] She had a high aptitude for business.