reinforcements

Reinforcements were sent to the battle front.

援兵被派赴前线。

Reinforcements arrived too late.

增援部队来得太迟。

Send for reinforcements—the enemy are attacking in strength.

请派援军来——敌人加强进攻。

The arrival of reinforcements sealed our victory.

增援部队到来决定利。

a small force would hold the position until reinforcements could be sent.

一支小部队将坚守阵地直到能派出增援部队为止。