electron造句
The structure of molecules can be seen under an
electron microscope.
分子的结构可在电子显微镜下观察到.
An
electron has a negative charge, a proton has a positive charge.
电子带负电荷, 质子带正电荷.
Freedom, gravity, ego, and
electron are constructs.
自由, 万有引力, 自我中心以及电子都是概念.