grit
[ɡrit]
vt. 研磨；在…上铺砂砾
vi. 摩擦作声
n. 粗砂，砂砾
同义词
参考例子
1.He gritted his teeth and plunged into the cold sea.
他咬咬牙，一头扎入冰冷的海水。
2.Loose grit fouling equipment and also producing a slip hazard.
散落的粗砂堵塞设备，同时引起滑倒危险。
3.Free the nose and mouth of a casualty from dust and grit to ease breathing.
替伤员清理一下鼻子和嘴里的灰尘、沙砾，让他/她呼吸顺畅些。
英文解释
n.
1.a hard coarse-grained siliceous sandstone
2.fortitude and determination
v.
1.cover with a grit
2.clench together
网络释义
grit
沙砾; 砂砾; 砂粒; 粗砂;
grit blast
喷砂装置; 喷粒处理; 喷砂处理; 喷砂,喷射清理,喷丸器,喷丸清理;
abrasive grit
磨料粒度; 喷丸; 磨料; 铁丸或石英砂（清理铸件用）;
cement grit
粗水泥; 粗磨水泥; 粗粒水泥; 粗粒水泥,粗磨水泥;
grit gulley
砂砾雨水进口;