援军 (yuán jūn) — reinforcements; relief troops

Definition

Examples

• 前线急需援军支援。
  Qián xiàn jí xū yuán jūn zhī yuán.
  The front line urgently needs reinforcements.
• 将军命令援军立刻出发。
  Jiāng jūn mìng lìng yuán jūn lì kè chū fā.
  The general ordered the reinforcements to set off immediately.
• 敌人的援军已经被我军击退。
  Dí rén de yuán jūn yǐ jīng bèi wǒ jūn jī tuì.
  The enemy's reinforcements have already been repelled by our army.