labour-intensive
adjective UK (US labor-intensive) uk/ˌleɪ.bər.ɪnˈten.sɪv/ us/ˌleɪ.bɚ.ɪnˈten.sɪv/
劳动密集型的
Industries and methods that are labour-intensive need a lot of workers
A lot of farming techniques have been abandoned because they were too labour-intensive. 很多耕作方式因其劳动过于密集而被淘汰。