独立: 1.(单独站立) stand alone 短语和例子独立桥头 stand alone on the end of a bridge2.(自主自立; 不受人支配) independence 短语和例子宣布独立 proclaim independence; 维护民族独立 assert national independence; 国家的独立完整 the country's in
人工: 1.(人为的) artificial2.(人力) manual work; work done by hand 短语和例子用机器代替人工 install machines to replace manual labor; 抽水机坏了, 只好用人工车水。 we had to move water by a chain pump because the electric pum