| 单词 | photometer head |
| 释义 | Definition of photometer head in English:photometer headnoun
OriginLate 19th century; earliest use found in Proceedings of the Royal Society of London. Definition of photometer head in US English:photometer headnoun
OriginLate 19th century; earliest use found in Proceedings of the Royal Society of London. |
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英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。