现在也可懂得其中道理了：红表示白天，黑表示夜晚。 。
One can now understand the reason: red that day, and that night.
我们决定星期六表示我的父母那夜晚。
但她也表示，这种可再生燃料的另一个同样重要的用途是存储太阳能，以便满足能源使用高峰期和夜晚的需要。
But she said an equally important use for the renewable fuels would be to store solar energy so it is available at times of peak demand, and overnight.
应用推荐