And besides being a source of fun. such a device is highly instructive, and will serve to clear up many of the mysteries of everyday electricity for you.

而除了作为一种乐趣的来源。这种装置是很有启发性，并有助于消除对日常用电的奥秘许多你。

youdao

And besides being a source of fun. such a device is highly instructive, and will serve to clear up many of the mysteries of everyday electricity for you.

而除了作为一种乐趣的来源。这种装置是很有启发性，并有助于消除对日常用电的奥秘许多你。

youdao