Ferrodynamometer
铁磁式功率计
🗣️ 情景例句
I hope that someday maybe you'll be able to visit my family in Beijing.
我希望将来有一天，你可以来北京到我家里作客。
No wisdom like silence.
智者寡言。
the other the lack of freedom of the individual research worker.
二是研究人员缺乏个人自由。