A person or thing that is reliant on something needs it and often cannot live or work without it.
双语例句
例： These people are not wholly reliant on Western charity.
这些人并非完全依赖西方的施舍。
例： Lithuania is heavily reliant on Moscow for almost all its oil.
立陶宛几乎所有的石油供给都严重依赖莫斯科。