Intensive activity involves concentrating a lot of effort or people on one particular task in order to try to achieve a great deal in a short time.
例句
...several days and nights of intensive negotiations...几天几夜紧锣密鼓的谈判Each counsellor undergoes an intensive training programme before beginning work.每个辅导员在上岗前都要接受密集培训。
ADJ-GRADED
集约(经营)的;精耕细作的
Intensive farming involves producing as many crops or animals as possible from your land, usually with the aid of chemicals.
例句
Elsewhere large areas have been drained and levelled for industry or intensive farming.在别处,大片区域被抽干了水或铲平了地，以作为工业或集约化农业用地。...intensive methods of rearing poultry.饲养家禽的集约化方法
英汉词典释义
adv.
强烈地;集中地
intensively reared beef cattle集约式饲养的肉牛The calves are grazed intensively during their first season.小牛在生长的第一季里集中喂养。The land here has been intensively cultivated for generations.这片土地经过了几代人的集约耕作。