adjective 下载 🔗分享 未受污染的，纯洁的 Not spoiled or touched; pure. Examples : "The beach was unspoiled, with clean sand and clear water, just as nature intended. " 这片海滩未受污染，沙子洁净，海水清澈，一切都保持着大自然最初的纯净模样。 environment nature quality 与AI对话词汇游戏阅读练习
