Lodestone
['ləʊdstəʊn] or ['lodston]
解釋/意思:
(noun.) a permanent magnet consisting of magnetite that possess polarity and has the power to attract as well as to be attracted magnetically.
卡洛斯錄入--From WordNet
解釋/意思:
(n.) A piece of magnetic iron ore possessing polarity like a magnetic needle. See Magnetite.
(n.) Same as Loadstone.
弗雷达錄入
例句/造句/用法:
- At present the lodestone is little used. 佚名. 神奇的知識之書.
- There are three primary kinds of magnets: the lodestone or natural magnets, the artificial or permanent steel magnet, and the electric magnet. 佚名. 神奇的知識之書.
- That thought became his lodestone, and he left all his other work to accomplish it. 魯伯特·薩金特·荷蘭. 歷史性發明.
- The properties of the lodestone and the permanent magnet have been known for thousands of years, while the electric magnet is a comparatively recent discovery. 佚名. 神奇的知識之書.
桃乐茜編輯