补: Ⅰ动词1.(修理; 修补) repair; mend; patch 短语和例子补鞋 repair [mend] shoes; 补车胎 mend a puncture; 修桥补路 build bridges and repair roads; 补漏 stop up holes; 补一补 have it repaired; 补袜子 darn socks; 补衣服 patch c
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