词汇	plain to see plain
释义	plain to see plain 清二楚的
随便看	direct flexibility method direct flexible coupling direct flight direct flight muscle direct flights direct flights between China and Africa direct flight/straight flight direct flooding system direct flotation Direct flotation in acidic medium Direct flotation in basic medium direct flow direct-flow direct flow burner direct-flow burner direct flow cooling direct-flow cooling direct-flow demineralization direct flow indicator direct flow water heater direct-flow water supply system direct fluidics of wall-attachment direct fluorescence antibody direct fluorescence antibodytest direct fluorescence antibody test