短语词组短语exaction process 提取工艺apportion exaction 按比例分配cataract exaction 白内障摘出术reactive exaction 反应萃取illegal exaction 翻译;非法勒索complexation exaction 络合萃取Contour Exaction 轮廓提取information Exaction 信息抽取 返回 exaction