| 释义 |
DEFINITIVE EXAMPLES 权威例句〔pingo〕An Arctic mound or conical hill, consisting of an outer layer of soil covering a core of solid ice.冰举丘：北冰洋土丘或丘状小山，由土壤外层履以固体冰丘组成美国传统〔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美国传统 |