| 单词 | 圆丘 |
| 释义 | 〔ovenbird〕A thrushlike North American warbler(Seiurus aurocapillus) having a shrill call and characteristically building a domed, oven-shaped nest on the ground. Also called teacher bird 橙顶灶鸫：一种北美洲的象鸫的鸣禽（橙顶灶鸫） 。叫声凄厉，其特点为在地上筑圆丘状，似炉型的巢 也作 teacher bird〔sandbank〕A ridge of sand forming a mound, shoal, or hillside.沙丘：形成圆丘、沙滩或山脊的沙脊〔tubercle〕A small, rounded prominence or process, such as a wartlike excrescence on the roots of some leguminous plants or a knoblike process in the skin or on a bone.根瘤：一种球状的小突出物或隆起物，如某些豆科植物根上的肉赘状瘤或皮肤或骨头上的圆丘状的隆起物〔icecap〕An extensive dome-shaped or platelike perennial cover of ice and snow that spreads out from a center and covers a large area, especially of land.冰冠，冰帽：一种大面积的圆丘形或盘子形的长年雪盖或冰盖，它从中心向外扩展，覆盖很大的一块区域，尤其是陆地〔knoll〕A small rounded hill or mound; a hillock.圆丘，土墩：圆形的小山或土墩；小丘 |
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