Shǒushù / xūyào / dàliàng / xuèyè / yīyuàn / hūyù / jiànkāng / chéngniánrén / jījí / gōngxuè。

手术需要大量血液，医院呼吁健康成年人积极供血。

The operation requires a large amount of blood, so the hospital urged healthy adults to donate blood.