holding armature

例句：

1. 1. The soldier was holding a heavy weapon with his left hand while he was walking.
   士兵左手拿着沉重的武器走路。
2. 2.The robot's armature is designed to be easily removable for maintenance.
   机器人的护甲设计为易于拆卸进行维护。
3. 3. The armature of the machine is made of strong metal and provides excellent protection for the operator.
   机器的护甲由坚固的金属制成，为操作员提供了极好的保护。