noun 下载 🔗分享 红土，砖红壤。 A red hard or gravel-like soil or subsoil formed in the tropics that has been leached of soluble minerals leaving insoluble iron and aluminium oxides and hydroxides; used to make bricks and roads. Examples : "The villagers used laterite to build their houses, which were sturdy and red in color. " 村民们用红土（砖红壤）来建造房屋，这些房子既坚固又是红色的。 geology material agriculture environment 与AI对话词汇游戏阅读练习
