gravel

n.

沙砾，碎石；砾石；[医]结石；

vt.

以砾石铺路；使困惑；使（船）搁浅在沙滩上；

复数：gravels

gravel layer砾石层；疏水石

sandy gravel砂砾石，砂质砾石

gravel pack砾石过滤层

gravel road碎石路

sand gravel砂砾石

1. The water is infiltrating the gravel bed.
   水正渗透进碎石底层。
2. A lonely fisherman stood on a tuft of gravel.
   一个孤单的渔夫站在碎石丛中。

1. Depressions are usually caused by heavy trucks passing over the gravel.
   路面下沉通常是由路过铺碎石的重型卡车引起的。

Stable Channels with Mobile Gravel Beds
Bedload and size distribution in paved gravel-bed streams
PROFILE: Hungry Water: Effects of Dams and Gravel Mining on River Channels
Periphyton biomass dynamics in gravel bed rivers: the relative effects of flows and nutrients
Ecosystem Metabolism, Disturbance, and Stability in a Prealpine Gravel Bed River
Establishment and Survival of Woody Riparian Species on Gravel Bars of an Intermittent Stream
Sediment supply and the development of the coarse surface layer in gravel-bedded rivers
Contribution of the Hyporheic Zone to Ecosystem Metabolism in a Prealpine Gravel-Bed-River
Large‐scale natural gradient tracer test in sand and gravel, Cape Cod, Massachusetts: 2. Analysis of spatial moments for a nonreact...
Sampling surface and subsurface particle-size distributions in wadable gravel- and cobble-bed streams for analyses in sediment trans...