noun🔗Share马背 (usually with on, upon, etc.) The back of a horse."She felt confident on horseback. "她骑在马背上，感觉很自信。animalvehiclepositionChat with AIVocabulary GamePractice Reading
noun🔗Share冰碛丘，蛇形丘。 A ridge of sand, gravel, and boulders."After the glacier melted, a long, sandy horseback stretched across the valley floor. "冰川融化后，一条长长的沙质冰碛丘横跨在谷底。geologygeographynatureenvironmentChat with AIVocabulary GamePractice Reading
adverb🔗Share骑在马背上， 骑马。 On the back of a horse."He rode horseback into town."他骑马进城了。animalvehicleChat with AIVocabulary GamePractice Reading
