Top-up
01
充值, 补足
an extra amount of money added to an existing sum so that it reaches the required total
例子
Before embarking on the road trip, I stopped at the gas station to top up the tank.
在开始公路旅行之前，我在加油站停下来加满油箱。
After using my public transportation card for the week, I needed to top it up with more credit to continue commuting.
在使用了一周的公共交通卡后，我需要充值更多金额以继续通勤。
