r=a(1-sinθ)

相关签名

you make my heart sing（你让我心花怒放！）

You are my song sing not over of song [伱是我一首唱不完的歌]

若现在我告白 就请你聆听 I’ll Sing for you, Sing for you

The worst solitude is to be destitute of sincere friendship. [最大的孤独莫过于没有真诚的友谊]

Indulges the missing pain troubled, inventorying has dripped lonely the rough sound.放纵思念痛苦的纷扰，盘点寂寞淌过坎坷的声音。

Finally turn in the passing of time is not only just.最后转眼流逝的绝不仅仅是时光而已。

伤口上撒盐是为了消毒还是痛得更彻底 Add salt to the wound to disinfection or pain more thoroughly

This kind of weather is very depressingx. 这样的天气真令人压抑。

This kind of weather is very depressingx. 这样的天气真令人压抑。