Maxwellmeter
[电]麦克斯韦计, 磁通计
🗣️ 情景例句
Surprise.
惊喜。
There is no friend so faithful as a good book.
最忠实的朋友莫过于一本好书。
Collecting as a serous hobby is quite different and has many advantages.
作为一种严肃的业余爱好的收藏活动完全是另外一回事，它具有许多益处。