People come from all over America to see carpenters and other craftsmen make wood, glass and iron objects in the old-fashioned way.
美国各地的人们来到这里，是为了观看木匠或其他工匠们用老式的方法制作木制品，玻璃制品和铁制品。
| 单词 | Woods glass |
| 释义 |
Woods glass
原声例句
新课标人教版高中英语(必修4) People come from all over America to see carpenters and other craftsmen make wood, glass and iron objects in the old-fashioned way. 美国各地的人们来到这里，是为了观看木匠或其他工匠们用老式的方法制作木制品，玻璃制品和铁制品。
英语百科
Wood's glass（重定向自Woods glass）
Wood's glass is an optical filter glass invented in 1903 by American physicist Robert Williams Wood (1868–1955) which allows ultraviolet and infrared light to pass through while blocking most visible light. It was developed as a light filter used in communications during World War I. His "invisible radiation" technique worked both in infrared daylight communication and ultraviolet night communications. His glass filter removed the visible components of a light beam, leaving only the "invisible radiation" as a signal beam. Wood's glass has been commonly used to form the envelope for fluorescent and incandescent ultraviolet bulbs ("black lights"). In recent years, due to its disadvantages, other filter materials have largely replaced it (see below). |
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