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单词
placeholder
释义
WordReference Random House Unabridged Dictionary of American English © 2024
place•hold•er
(plās
′
hōl′dər),
USA pronunciation
n.
Mathematics, Philosophy
a symbol in an expression that may be replaced by the name of any element of the set.
Government
a person who holds a government office, esp. one appointed to the position in return for political support or favors.
place
+
holder
1550–60
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更新时间:2025/12/10 13:58:34