“电学”造句
物理学研究力学、热学 、 光学 、 声学和
电学.
Physics studies mechanics , heat, light, sound and electricity.
这两个学生都做了不少
电学实验.
Both students have made quite a few experiments on electricity.
从量子电动力学可以得出所有已知的
电学 、 力学和化学定律.
Out of quantum electrodynamics come all known electrical, mechanical, and chemical laws.