单词	operants
释义	同operant
随便看	model-- spheroidal nuclear model; spin model statement model structure model study model--study model study approach models with technological change model symbol model system model t model t. model tape model test model-theoretic model, theoretical model-- theoretical model-theoretic semantics model theory model, tow-group model-- tow-group model-- towline model; towline model, tow-particle model toys