Tusks are a striking feature of many animals -- elephants, hippos, warthogs, walruses -- and are often sought-after by humans.
원문출처 : https://www.cnn.com/2021/10/26/world/mammals-tusks-scn/index.html
원문출처 : https://www.cnn.com/2021/10/26/world/mammals-tusks-scn/index.html