| 单词 | placeholder |
| 释义 | placeholder /plays"hohl'deuhr/, n. 1. Math , Logic. a symbol in an expression that may be replaced by the name of any element of the set. 2. a person who holds a government office, esp. one appointed to the position in return for political support or favors. [1550-60; PLACE + HOLDER] |
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英语词典包含168451条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。