词汇	pilot expriment
释义	pilot expriment 预试验
随便看	first-class entity firstclasses first classes first-class fare first-class fireman first class firm first-class firm first-class; first-rate first class fish gravy first class flexible cord first class general agencies first class goods first-class goods first-class higher vocational college first class highrise building First class Highway first-class highway first-class honours degree first-class honours degrees first classification theorem First Class in College first-class institutions first class insulated wire first-class international financial centre first-class invention award