“后援”用英语怎么说？

“后援”的近义词/同义词：后盾。...

后援部队被派赴前线.Troops in support were sent to the battle front.刘备带一千人马作后援.Liu Bei was given 1,000 troops as the Back up force.三五九旅的后援部队偷越过一片朦胧的山岭.Reserve units of the 359 th Brigade stole through the dark mountains....

“后援”的拼音为：hòu yuán...