sing up短语⁷⁴⁴⁴⁴ 基本英英例句 vt.更用力地唱 动词 sup: take solid or liquid food into the mouth a little at a time either by drinking or by eating with a spoon Finally sing up recommendations to this way, and provide a guide to the followed work. 最后对该方法提出建议,并对后续工作的进行提供指导。 fabiao