砂砾的英文：
grit

参考例句：

Coarse gravel or crushed rock laid to form a bed for roads or railroads.
道碴用来铺公路或铁路路基的粗砂砾或碎石。

Sluice ore,ie to separate it from gravel,etc
冲洗矿砂(使之与砂砾等分开)

The gravel pans well.
那砂砾产金量高。

I've got a bit of grit in my shoe.
我的鞋子里弄到了一些砂砾。

Layered gravel and charcoal to make a filter.
将砂砾和木炭分层以做成过滤器

Suction devices are inadequate in gravels or very porous soils
吸水装置对砂砾或非常疏松的土壤是不适用的。

detritus usually consists of gravel, sand and clay
岩屑通常是由砂砾，沙和粘土组成的。

Material, such as gravel or slag, from which metal is extracted in mining.
矿渣诸如砂砾或矿渣等物质，可从中提取金属

The prospector panned off bits of a sand and gravel scooped from the bed of a stream.
探矿者淘选从河床里挖出的少量含金泥沙和砂砾。

The bows of the canoe grounded upon the gravelly beach with a gentle motion, and a sound barely audible
独木舟的头部触到了湖岸的砂砾，发出了隐约可闻的沙沙声。

grit是什么意思：
n. 砂砾；勇气
v. 研磨；摩擦作声；咬紧牙关；覆以砂砾

Containing,covered with,or resembling grit.
含砂的，砂覆的，类砂的含有或类似砂的，被砂覆盖的

You've got to admire her grit.
你不得不佩服她的勇气。

These units are employed as grit arrester on small cupola
这种装置在小型冲天炉中是作为砂粒分离器使用的。

I've got a bit of grit in my shoe.
我的鞋子里弄到了一些砂砾。

He displayed grit and backbone in facing adversity.
他在面对逆境和苦难时显示出刚毅和勇气。