短語(yǔ)詞組短語(yǔ)be deeply occupied in thinking 陷入深思be occupied in doing 忙于occupy be occupied in 沉迷于be occupied in sth 忙于做某事be occupied in doing something 被占領(lǐng)的做某事be occupied in doing sth 占用住房;忙于做某事 返回 be occupied in