achieve (a) goal

achieve (an) objective

achieve (an) outcome

acquire knowledge

active involvement 积极参加

active participant 

active participation

active role

actively involved

acutely aware 清醒地看到

add information

additional cost

additional information

additional problem

additional resources

additional support

address (an) issue

administrative practices

adopt (a) procedure

adopt (an) approach 采纳一种方式

advanced economy

advanced technology

adverse effect 不良影响

adverse reaction

adversely 负面地

affect

affect (the) outcome

affect (the) development

allocate resources 分配资源

allow access

almost identical alternative 近乎相同的替代

approach

alternative explanation另一种解释，其他解释

alternative form

alternative interpretation

alternative means

alternative method

alternative model

alternative solution

alternative source

alternative strategy

alternative view

alternative way

ample evidence 充分的证据

analytical approach 分析的方法

analytical tool

anecdotal evidence 略见一斑

annual conference

annual meeting

annual rate

annual report

annual review 年检/年度审查

apply equally

apply (a) method

apply (the) theory

appropriate action

appropriate behaviour

appropriate conditions

appropriate data

appropriate form

appropriate language

appropriate level

appropriate point

appropriate response

appropriate skills

appropriate treatment

appropriate way

armed conflict 武装冲突

artificial intelligence 人工智能

assess (the) impact 评估影响

assessment process

associated factors 相关因素

assume responsibility 承担责任

assume (the) role

atomic energy 核能

attend (a) conference

available data

available evidence

available information

available resources

average score

PTE开课安排