rabbeted doorjamb 裁口门框
N one of the two vertical members forming the sides of a doorframe 门框两侧的直木 (Also called doorpost)
He barked his knuckles on the doorjamb.
他碰在门侧柱上擦破了指关节处的皮。
She kept one hand on the doorjamb ; the other reached for a small box on the wall.
她一边说一边身子往后倾斜，一手扶着门框，一手伸向墙上的一个小盒子。
If you stand under a doorway and the doorjamb falls forward or backward you will be crushed by the ceiling above.
因为如站在门洞下，且两侧门柱向前或向后倒，人就会被门洞上方的天花板压死。
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