Tunnels

Tunnels written by Elizabeth Jane Postylnik Focus question. How are tunnels the same and different?

《隧道》 作者：伊丽莎白·简·波斯蒂尔尼克 核心问题：隧道之间有什么相同点和不同点？

Tunnels are long, narrow, covered passages. People use many kinds of tunnels.

隧道是长长的、窄窄的、有遮盖的通道。 人们使用的隧道有很多种。

Some tunnels go underground. They help people avoid traffic.

有些隧道建在地下。 它们能帮人们避开交通拥堵。

Some tunnels go underwater. They help people avoid taking boats.

有些隧道建在水下。 它们能让人们不用坐船就能通行。

Some tunnels go through mountains. They help people avoid going around or over mountains.

有些隧道穿过大山。 它们能帮人们不用绕山或者翻山。

Some tunnels go under roads. They help people walk and bike safely.

有些隧道建在马路下方。 它们能保障人们步行和骑车的安全。