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| 1. | animal ivory worked beyond cleaning, simple sawing, cutting (crosswise or legnthwise) and rough planing |
| 动物牙,不仅仅进行清洗,且简单锯切（横向地或纵向地）和粗略刨光 |
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| 2. | The ivory and animal bones that were found will sere as important materials for the study of local geography |
| 这些被发现的象牙和动物骨骼可用作重要的材料来研究古时候当地的地理，气候和自然环境。 |
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| 3. | In the1700 s the most common material used to form the plates in which teeth( human or animal) were anchored |
| 甏??美垂潭ㄑ莱荩?廴死嗷蚨?铮┘傺劳校?钇毡椴闹适窍笱乐剩?ǔ＠醋院勇淼某ぱ馈 |
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