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- Some natural matter can glow in the dark. 有些自然物质能在黑暗中闪光。
- Marine organisms prefer to travel on discarded plastic containers, cigarette lighters, and milk crater than on natural matter such as coconuts or logs. 海洋微生物喜欢搭乘丢弃的塑料容器、打火机和牛奶箱等物品，而不喜欢附着于天然的东西如椰子或木头旅行。
- Since long ago, the Commercial Pedestrian Street is regarded as the commercial active area is the extremely natural matter, but it had the vigor as the city the place function actually to neglect. 长期以来，商业步行街被看成是商业活动区域是非常自然的事情，但是它作为城市具有活力的场所的功能却被忽视了。
- It is natural for a cat to catch mice. 猫捉老鼠是本能。
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
- Many natural materials are becoming scarce. 许多天然原料越来越少。
- B．Devall and G．Sessions，Deep Ecology：Living as Nature Mattered，Salt Lake City：Gibbs M．Smith，1985. 徐嵩龄主编．环境伦理学进展：评论与阐释．北京：社会科学文献出版社．1999.
- Our motherland flows with natural resources. 我们祖国蕴藏着丰富的天然资源。
- Events took their natural course. 事态依自然进程发展。
- She has a natural wave in her hair. 她的头发自然卷曲。
- Magnetism is a natural phenomenon. 磁力是一种自然现象。
- It is difficult to be natural when one is tense. 人在紧张的时候很难泰然自若。
- The egoism of an artist sometimes seem natural. 艺术家的自负有时看起来是自然的。
- They used only natural pigments to dye the wool. 他们只用天然颜料染毛织品。
- Children are natural exhibitionists. 儿童天生喜欢自我表现。
- Everything we used was made from natural materials. 我们所用的一切都是由天然材料做成的。
- It's quite natural that you should succeed. 你的成功是很自然的事情。
- He's a natural for the role of Lear. 他是李尔王这一角色的理想人选。
- Most first-class footballers are natural athletes. 多数一流的足球运动员都是天生的健将。
- Only humans have a natural upright posture. 只有人类才有自然直立的姿势。
