n.沙砾，砾石，石子

原形：gravel复数：gravels

The path was covered in loose gravel, making it difficult to walk without slipping.
这条小径上铺满了松散的碎石，走起来很容易滑倒。
He decided to use gravel to create a drainage layer beneath the flower bed.
他决定用碎石在花坛下面做一个排水层。
The sound of gravel crunching under the car's tires announced their arrival.
汽车轮胎碾过碎石发出的嘎吱声宣告了他们的到来。
They spread a layer of gravel over the newly laid asphalt to improve traction.
他们在新铺设的沥青路面上撒了一层碎石以提高摩擦力。
Children love to play with the small, smooth pebbles of gravel found near the riverbank.
孩子们喜欢玩河岸边那些小而光滑的碎石子。
The construction crew used gravel to fill in the low spots on the road.
建筑工人用碎石来填补路上的低洼处。
Walking on the gravel path, she enjoyed the satisfying crunch with each step.
她走在碎石小径上，享受着每一步都发出的令人满意的嘎吱声。
After the rain, the gravel driveway became slippery and required extra caution while driving.
雨后，碎石车道变得很滑，开车时需要格外小心。
The landscaper suggested using decorative gravel to enhance the garden's aesthetic appeal.
园艺师建议使用装饰性碎石来提升花园的美感。
He had to dig through several inches of gravel before hitting solid ground.
他必须挖开几英寸厚的碎石才能到达坚实的地面。