arm-board

基本解释

The brachial plexus can be stretched when the arm is on an arm board, particularly if it is hyperabducted to make room for the surgeon or an assistant or for administration of intraenous therapy.
上肢置于托板上时可发生牵拉损伤，特别是在为了给术者或助手让出手术空间．或为方便静脉注射而使上肢过度外展时更易发生。
The brachial plexus can be stretched when the arm is on an arm board, particularly if it is hyperabducted to make room for the surgeon or an assistant or for administration of intravenous therapy.
上肢置于托板上时可发生牵拉损伤，特别是在为了给术者或助手让出手术空间．或为方便静脉注射而使上肢过度外展时更易发生。
A bright red welt rose on his arm.
他的手臂上起了明显的条状红肿。
He hold on to my arm with a tenacious grip.
他紧紧抓住我的手臂不放。
He has a lot of clout with the board of directors.
他对董事会有很大的影响力。