英语语法分析

A bed with solid headboard and footboard that roll outward at the top.

顶上有固体的床头板和踏足板缠绕的床。

The skill of the footboard is an important and easy to be ignored question.

踏板技巧是一个重要又容易被忽视的问题。

When a wheeled machinery moves, people are allowed to stand on the footboard.

轮式专用机械车运行过程中，允许在脚踏板上站人。