top-up
美 [ˈtɒpʌp] 
英 
- n.补充的饮料;追加款项
 - v.补充;充值
 - adj.额外的
 - 网络专升本;专升本课程;完就充值
 
adj.
additional
top-up
显示所有例句
1.  | 附加付款a payment that you make to increase the amount of money, etc. to the level that is needed  | 
a phone top-up(= to buy more time for calls) 电话充值费  | |
Students will have to pay top-up fees(= fees that are above the basic level). 学生必须交附加费用。  | 
2.  | (informal) (重新斟满杯子的)补充饮料an amount of a drink that you add to a cup or glass in order to fill it again  | 
Can I give anyone a top-up? 我来给哪位添酒好吗?  |