solar charger

• 太阳能充电器

solar charger的用法和样例：

例句

1. And if you want to help the environment further you can buy solar powered battery recharges.Sun energy is free to all of us.
   如果还想更进一步对环境有所帮助，不妨购买太阳能充电器，太阳能是完全免费的。