单词	支承球
释义	支承球 fulcrum ball
随便看	electron pair acceptorEPA electron pair approximation electron pair bond electron-optics electron optics column electron optics component electron opticss Electron optics system electron optic tracking system electron orbit electron,orbital electron-orbit method electron orbit oscillator electron orbits electron organ electron oscillating engine electron oscillation electron oscillation ion source electron oscillation ion sources electron oscillation tube electron oscillator electron oscillograph electronosmosis electron osmosis electron-osmosis