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单词
extension ladder
释义
WordReference Random House Unabridged Dictionary of American English © 2024
exten
′
sion lad′der,
a ladder having two or more sections joined by a sliding mechanism that allows the ladder to be extended to the total length.
1870–75
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scheele's green
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schelling
schema
schemas
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schematically
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更新时间:2025/10/12 8:09:33