Avoid all products and souvenirs made from animals, including all fur, ivory, shells, seahorses, teeth, rhino horn and turtle shell products.
拒绝一切用动物做成的产品和纪念品，包括皮草，象牙，贝壳，海马，动物牙齿制品，犀牛角和龟壳制品。
In the past decade, powerful new X-ray scans and three-dimensional computer models have transformed the analysis of bones, teeth, and shells.
过去十年间，新型X光扫描和计算机三维模型已经改变了人们对骨骸、牙齿和外壳的分析方式。
The Greeks, and then the Romans, improved the recipes for toothpaste by adding abrasives such as crushed bones and oyster shells, which were used to clean debris from teeth.
先是希腊人，然后是罗马人，将牙膏的配方加以改进。他们添加了一些磨料如碎骨和牡蛎壳，用来清除牙齿上的污垢。
The Greeks, and then the Romans, improved the recipes for toothpaste by adding abrasives such as crushed bones and oyster shells, which were used to clean debris from teeth.
他们添加了一些磨料如碎骨和牡蛎壳，用来清除牙齿上的污垢。
Institute of shells before the Spring and Autumn Period Yubo teeth "Flowing Water." Perhaps too much concentration on bar.
才学会弹春秋时期俞伯牙的《流水》。或许是太专注吧。
Institute of shells before the Spring and Autumn Period Yubo teeth "Flowing Water." Perhaps too much concentration on bar.
才学会弹春秋时期俞伯牙的《流水》。或许是太专注吧。
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