In addition to writing on bones, the Chinese also made marks on turtle shells.

除了在骨头上写字，中国人还在龟壳上做标记。

youdao

This paper reports a new method to identify the Chinese drug turtle shells using PCR product direct sequencing method.

用PCR产物直接测序法对中药材龟甲（板）进行鉴别。

youdao

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。

youdao

We are like turtles in a traffic jam-the best we can do is to pull our heads into our shells and shut our eyes. But that's a good way to get the life crushed out of us, as any dead turtle can attest.

就好比交通事故中的乌龟一样，我们能做的是把脑袋伸进壳里，然后闭上眼睛……这是丢掉性命最好的方式，很多丢掉性命的乌龟都证实了这一点。

youdao

We are like turtles in a traffic jam-the best we can do is to pull our heads into our shells and shut our eyes. But that's a good way to get the life crushed out of us, as any dead turtle can attest.

就好比交通事故中的乌龟一样，我们能做的是把脑袋伸进壳里，然后闭上眼睛……这是丢掉性命最好的方式，很多丢掉性命的乌龟都证实了这一点。

youdao