unround

1.ha ha ha ....can the sun to be round and unround as if moon?

哈。。。。。太阳有像月亮那样的缺的吗？

2.Base on the shape of the mouth (rounded, unrounded),the vertical position of the tongue (high, half-low, and low),and the horizontal position of the tongue (front, central, and back).

根据形（、），位的垂位置（高、半高、半、），位的水平位置（前、中、后）