A device placed under the arm to aid walking

• A walking aid that shifts weight off an injured leg

腋下支撑的行走辅助器

• 将体重从受伤的腿上转移的辅助器

Something relied on for support, often implying unhealthy dependence

比喻的依靠物，常含不健康的依赖

To move using crutches

• To support or prop up with crutches

用拐杖行走

• 用拐杖支撑

A forked support or post used to hold or brace

叉形支架或支柱，用于固定或支撑