noun 下载 🔗分享 路缘石,道牙石 A paving stone that forms part of a kerb Examples : "The delivery truck bumped onto the curbstone as it parked to unload groceries. " 送货卡车停下来卸货时,不小心蹭到了路缘石上。 architecture material building area 与AI对话词汇游戏阅读练习