单词	hard to get at
释义	hard to get at adj.够不着的难够着
随便看	structure synthesis structure system structure system capacity design approach structure system conversions structure system identification structure system judgment structure system reliability structure system system structure system theory structure system transform structure system transformation structure table structure tag structure teaching structure technics analysis structure technological Structure Technology structure tensor structure tensor field structure test structure testing machine structure testing platform structure test model structure test modelstm structure test of civil engineering