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。
How? If you stand under a doorway and the doorjamb falls forward or backward you will be crushed by the ceiling above.
如果你站在门的下面，门框向前倒或向后倒，你会被头上的天花板砸死。
A moment later, he rounded the corner, rolling his shoulders and then scratching his back on the doorjamb like a bear against a tree.
片刻之后，他从拐角绕了出来，转动着肩膀，然后在大门柱上蹭着背，就像一只熊靠着树那样。
Keeping the needs of an iPod user in mind, Jordan later added a patented system to keep wires from dangling off clothing and getting tangled in a doorjamb or other device.
乔丹一直记着iPod用户的需求，之后又增加了一项专利系统，避免各种数据线在衣服外面晃荡，或者和门柱、其他设备缠绕在一起。
Keeping the needs of an iPod user in mind, Jordan later added a patented system to keep wires from dangling off clothing and getting tangled in a doorjamb or other device.
乔丹一直记着iPod用户的需求，之后又增加了一项专利系统，避免各种数据线在衣服外面晃荡，或者和门柱、其他设备缠绕在一起。
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