Last Updated
：2025/12/04
spring mattress
（ plural ）
Quizzes for review
A mattress in which springs of twisted wire are used to support the stuffed part.
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spring mattress
After moving into her new apartment, she decided to replace the old spring mattress because it sagged in the middle.
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After moving into her new apartment, she decided to replace the old spring mattress because it sagged in the middle.
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