地下的隧道迷宫里，罗马人保留着“他们能够带来的各种类型的外来动物”，包括犀牛和蛇，纳扎罗说。
In the underground maze of tunnels, the Romans kept "every type of exotic animal that they were able to bring here," including rhinos and snakes, Nazzaro said.
独特之处：直径达76英尺的耶尔瓦布埃纳岛隧道是世界上最宽的单孔隧道，1936年11月，这项令人印象深刻的工程落成开通。
Why It's Unique: With a 76-foot diameter, Yerba BuenaIsland Tunnel is the world's widest single-bore tunnel, an impressivefeat considering it opened in November of 1936.
虫洞理论是爱因斯坦提出并由纳森•罗森完善的。虫洞就是连接两个遥远时空的多维空间隧道。
Wormhole Theory is proposed by Einstein and perfected by Nathan Rosen. Wormhole is a multi-dimensional space tunnel connecting two distant Spaces.
在拉法镇中心的纳加玛广场上，通过隧道辛辛苦苦运来的东西迎来了它们的第一批顾客。
In Najma Square, in the center of Rafah, the fruits of tunnel labor meet their first customers.
在拉法镇中心的纳加玛广场上，通过隧道辛辛苦苦运来的东西迎来了它们的第一批顾客。
In Najma Square, in the center of Rafah, the fruits of tunnel labor meet their first customers.
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