天然自然（又作自然本性） natural nature
天然本色织物 natural-tinted fabric
天然本色毛纱 natural gray yarn
自然本能 Natural Instincts
天然本底放射性 natural background radioactivity
天然本底辐射 natural background radiation
自然本色 Sense of Nature
回归自然本色 Return to nature natural colour ; return to its natural color ; Return to natural color
自然本底 [环境] natural background
自然本体论态度 natural ontological attitude
仔细地用英文写一封电子邮件，每 20 秒使用一本词典或是网络搜寻器以确保每个单词的正确性，然 后用 5 分钟的时间写一个句子。
Carefully write ane-mail message in English, using a dictionary or a Web search every 20 seconds to make sure every word is correct, and taking 5 minutes to write one sentence.
认为阅读一本书或浏览一个博客将会自然而然的改变你和你的生活但是，心动没有行动并不能如你所愿的产生作用。
Thinking that reading a book or blog will automatically transform you and your life. But knowledge without action on your part is not that very transforming.
然而，鲁本?格然尼克和其在世界卫生组织的同事在探索一种替代性方法。
Reuben Granich and his colleagues by the World Health Organisation (WHO), although, have been exploring an choice approach.
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