单词	on passage
释义	on passage 经在途
随便看	free electron diffusion free electron gas free electronic books free electronic journal free electron laser free-electron laser free electron laser amplifier free electron laser, FEL free electron laser instability free-electron-laser oscillator free electron lasers Free Electron Laser Technology free electron laser theory free electron method freeelectron model free electron model free-electron model free-electron model of metals free electron molecular orbital model free electrons free-electrons free electron sea free electron theory free-electron theory free electron theory of metals