2. top up的解释
给…加满
1. 重新加满;添足If you top something up, you make it full again when part of it has been used.
e.g. We topped up the water tanks...我们重新把水箱加满。e.g. He topped her glass up after complaining she was a slow drinker.他抱怨她喝得太慢,随即又把她的杯子续满。