2007年2月13日 格林尼治标准时间11:48更新
Every year on the 14th of February, millions of cards and roses are sent around the world with messages of love.
Why not send your Valentine a card written in the language of love? Find out how with tips from Helen and Oliver.
Afterwards you can try our quiz to check your understanding.
Do you have a question about Britain?
你有没有对英国的疑问?
Then email us at chinaelt@bbc.co.uk or
欢迎你把问题通过电子邮件发给我们:肠丑颈苍补别濒迟蔼产产肠.肠辞.耻办