他的手臂、腿部和几个内部器官受伤。

He sustained injuries to his arms, legs and several ___internal organs.

银行对抢劫案进行了自己的内部调查。

The bank conducted its own ___internal investigation into the robbery.

政府警告其邻国不要干涉其内部事务。

The government warned its neighbours not to interfere in its ___internal affairs.