The border crossing is a dry river bed and a bridge.

边界是一条干涸的河流，河上有一座桥。

youdao

A dry river bed reveals the severity of this year's drought.

一个干旱的河床显示出今年干旱的严重程度。

youdao

A Bedouin Arab follows his camels down an almost-dry river bed polluted by agricultural runoff, on April 14, 2009, near Jericho in the West Bank.

2009年4月14日，在靠近西岸的耶利哥，一个阿拉伯贝多因人跟着他的骆驼走在被农业垃圾污染的几乎干涸的河床上。

youdao

"Like a dry river bed in New Mexico or Arizona.

VOA: special.2009.07.08

Seven boxes of ammunition were found after the rampage in a black bag discovered in a dry river bed in Loughner's neighborhood.

CNN: STORY HIGHLIGHTS

The tunnels merge and separate, feed into the sewer system, and branch out again for hundreds of metres, emerging right outside town, amid the bushes of a dry river bed.

BBC: 'Ndrangheta: Exploring the mafia's underground world

These few survivors, she explains, follow the fish in the dry season to deep pools in the bed of the river near Kratie, in Cambodia.

ECONOMIST: The Mekong river