化学式与分子式:帮我译成英文, 谢谢

when you read this letter , I have already away .
Don't be sad .I think I will go along the last way . I 'm glad to know you .You can make the other friend. Show them happy, and you will feel happy.

When you look to this seal letter of time, I already not at, please do not feel uneasy, I have been thinking I meet an individual standing alonely walk over and last road.Recognize you I really very happy.Your life road still very captain, become friends with further friend, bring them happiness also joint oneself happiness!
金山快译翻的，仅供参考，不代表个人意见，哈哈！

When you see this letter, I have been away, please other sorry, I always thought that I would finish the last one lonely road.You know I am really very happy.Your Life is long, to get to know more friends now, but also happy to bring them to their own happiness!