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
调查: 1.(为了解情况进行考察) investigate; examine; inquire into; look into; survey; (try to) learn the facts about; on (closer) investigation; make an investigation on [of; into]; hold an inquiry into st