box spring

US /ˈbɑːks sprɪŋ/
UK /ˈbɑːks sprɪŋ/
"box spring" picture
1.

彈簧床墊底座, 彈簧床架

a mattress foundation consisting of a sturdy wooden frame covered with cloth and containing springs, designed to support a mattress and absorb shock

:
The new bed came with a mattress and a matching box spring.
新床配有床墊和配套的彈簧床墊底座
You need a sturdy box spring to properly support your memory foam mattress.
你需要一個堅固的彈簧床墊底座來正確支撐你的記憶棉床墊。