词汇	sing scale
释义	sing scale 吊嗓子
随便看	positive-negative quotient positive-negative reversing capability Positive-negative rhetorical questions positive negative selection positive-negative selection positive negative signaling positive-negative signaling positive-negative switch Positive-negative tapering positive-negative three level action positive negative three-step action positive-negative three-step action positive-negative threshold positiveness positivenesses positive net worth positive neurons positive neurous positive neutralism positive neutrality positive news positive nitrogen balance positive nitrogen equilibrium positive nituib cam positive non-interventionism