top-up

音标发音

Even in the era of university top-up fees it is the taxpayer, not the student, who pays most of the cost of a degree.
由于学生上大学的大部分费用是由纳税人而不是学生自己支付的，包括过去的高等教育附加费。
In Uganda, where villages often have one top-up phone run by a trusted operator, a basic system helps store and transfer money.
在乌干达，每个村庄有一个充值电话，由可信的接线员管理，这一基本系统帮助人们存款或转帐。
(which might require) encouraging cities to add an urban top-up to the nationwide scheme, perhaps paid for by the municipal authority.
鼓励各个城市在全国计划的基础上追加一笔城市费用，这笔费用也许将由市政机构承担。

Not only did the always interesting Lady Gaga show up inside a large egg-like structure, but unknown artists also won top prizes.
In the normal case--up at the top, those two deaths occur simultaneously.
在通常的情况下，这两者的死亡是同时发生的。
耶鲁公开课 - 死亡课程节选
A guy named Seth Klarman, who works at a fund in Boston called Baupost, said that what he does is worries top-down and invests bottom-up.
他叫塞斯·克拉曼,在波士顿的Baupost基金工作,他说他的工作就是自上而下地担心,自下而上地投资
耶鲁公开课 - 金融市场课程节选

They worry that introducing top-up fees would scare off potential students from poor families.
ECONOMIST: The battle-lines over university fees have been drawn

(LIQUID) the act of putting more drink into someone's glass or cup
(EXTRA AMOUNT) an extra amount of something, especially money, that is added to an existing amount to create the total you need