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六千米

六千米

六千米

六千米

1

Also known as the pelican eel , these solitary and strange fish have been found at depths of more than 20 , 000 feet .

伞嘴吞鳗（UmbrellamouthGulperEel ）也被称之为鹈鹕鳗，这种独居的奇特鱼类生活在六千米的深海中。

2

The Airport Express runs through tunnels for eight kilometers. It runs over bridges for six kilometers.

机场快线穿越八千米隧道，跨过六千米大桥。

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