| gravel | |
| 级别 | 第7级 |
| 音标 | [ ˈgrævl ] |
| 解释 | n.砂跞；砂砾层；结石 |
| 英英释义 | small rounded stones , often mixed with sand |
| 发音 |  |
| 例句 |
1. We bought six bags of gravel for the garden path. 我们购买了六袋碎石用来铺花园的小路。 2. More gravel is needed to fill the hollow in the drive. 需要更多的砾石来填平车道上的坑洼。 |
