大学英语4级词组很多

be able to 能，会 abound in 盛产，富于，充满 be about to 即将(做) above all 首先，首要，尤其是 be absorbed in 专心致力于… be abundant in …富于，…丰富 by accident 偶然 in accordance with 与…一致；按照，根据 according as 根据…而… according to 根据…所说；