| 释义 |
bed board
bed′ board` or bed′board`,
n. a thin, rigid board placed between a mattress and bedspring to give firm support. [1675–85] EncyclopediaSeeboardbed board
bed boardA firm board placed beneath a mattress to keep it from sagging. It is used to treat some persons with back difficulties. It is also used in cardiopulmonary resuscitation to improve the effectiveness of chest compressions. See also: boardLegalSeeBoard |