单词：natural fiber
natural fiber的用法和样例：
例句
- I prefer to wear clothes made of natural fibers.我更喜欢穿天然纤维织成的衣服。
- Artificial,or synthetic,fibers are in some ways much better than any natural ones.人造纤维或称合成纤维在某些方面要比天然纤维好得多。
- natural fibre天然纤维
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