1.
In loessal regions and alluvial valley fills of the western United States, both surface soil and subsoil are commonly friable.
在美国西部黄土区和冲积河谷里，表土和底土一般是容易破碎的。
2.
Bangkok is surrounded by a vast, damp, alluvial plain, crisscrossed by a network of klong,.
曼谷为一个广阔潮湿的冲积平原所环绕,有纵横交错的运河网。
3.
The river eroded a deep valley.
河流冲蚀成一个深谷
4.
The glacier scooped a canyon out of rocks.
冰河在礁石中冲出了一条河谷。
5.
In some places, hill-slope debris forms amantle over the bedrock and alluvium fills some of the valleys.
在部分地方，山坡岩屑在基岩上形成覆盖层，而冲积土则分布于部分河谷中。
6.
hydraulics of alluvial streams
冲积平原河流水力学
7.
Luohe formation mainly develops aeolian deposit, alluvial fan and braided deposit.
洛河组主要发育风成沉积、冲(洪)积扇、辫状河沉积;
8.
A strike-valley sand is deposited in the drainage course of a subsequent stream valley.
走向谷砂岩是在次生河谷水系中沉积的。
9.
The river has burst its bank and flooded the valley
河水冲破堤岸,淹没了山谷
10.
The river have burst its bank and flooded the valley
河水冲破堤岸, 淹没了山谷
11.
The river had burst its banks and flooded the valley.
河水冲破堤岸, 淹没了山谷.
12.
Scattering of P and SV Waves by Alluvial Valleys with Saturated Soil Deposits;
饱和沉积河谷对平面P和SV波的散射
13.
A deep gulch or ravine with sloping sides, often dry in summer.
斜壁干谷；干河谷深的峡谷或冲沟，有斜壁，通常在夏天干涸
14.
The landform on which ancient human activity relic located was interfluvial floodplain on Yongding River Alluvial Fan.
古人类活动遗址所处地貌部位为古永定河冲积扇的河间冲积平原。
15.
Channel deposits, consisting of sand, silt and clay, fill the valleys cut by a river system.
河道沉积由砂，粉沙和粘土组成，充填于河流切割的河谷之中。
16.
A deep, narrow valley or gorge in the earth's surface worn by running water.
沟壑由于河流冲刷而在地球表面形成的深而窄的山谷或峡谷
17.
Major sedimentary facies in the Luohe Formation include alluvial fans facies, eolian facies,braided fluvial facies, and desert facies.
洛河组主要沉积了冲积扇相、风成沉积相、辫状河相和沙漠相;
18.
Their growth results from material being scoured from the trough regions and deposited over the crests.
他们的生长是由波谷冲刷和波峰淤积而引起的。