E120. expert-E121. extend

expert，expertise

构词：ex（向外，出去）＋per（冒出，伸，试探）

“伸出，去试探，冒险 有经验的人，内行，专家”

相关：experienced，experimental

搭配：a computer expert；be expert at doing...；expert hands/advice

          have the expertise；technical expertise

同义：expert = specialist，authority，professional，master

           expertise = experience，knowledge，talent，proficiency

extend

构词：ex（向外）＋tend（= to end 申）

“向外伸 延伸，扩大，推广”

相关：extent，extension，extensive；tension

attend/attention，contend/content，distend，intend/intense，pretend

搭配：extend for 12 miles/from somewhere/over a period/to someone

extend the range / a building / a visa / the life of / business / influence

同义：spread/stretch out，widen，broaden，expand，develop

考点：同义替换

            写信常用表达：Please extend my greeting / gratitude to...