留言板用英文怎么说

留言板:

message board

例：

1. 加入一个留言板,谈书籍,了解别人.
Join a message board that talks about books and get to know others there.

2. 网上聊天、留言板警告.
Chat Line And Message Board Warnings.

3. 我们极力推荐所有潜在的志愿者注册并使用留言板。
We highly encourage all potential volunteers to sign up for and use the message board.

guest book应该是。哈哈