1. 在底部输入一句话，世界会为你降下一场天气。

1. Type a line at the bottom — the world will bring you weather.

2. 试着点击飘过的云朵，或者水面上荡开的波纹。

2. Try tapping the drifting cloud, or ripples on the water.

3. 右下角可更换背景，左下角可递出一封信。

3. Change the background at bottom-right; leave a letter at bottom-left.