10.表示变换词类作用的前缀 be-, befriend en- enslave. enable enrich ad-, ac-, af-, ag-, an-, ap, ar-, as-, at- adapt, accord, affix, aggression, arrive, assist, attend, attract, arrange, assign(委派)10. 表示变换词类作用的前缀 ◼ be-, befriend, ◼ en-, enslave, enable, enrich ◼ ad-, ac-, af-, ag-, an-, ap-, ar-, as-, at-, ◼ adapt, accord, affix, aggression, arrive, assist, attend, attract, arrange, assign(委派)