pachyderm
柯林斯词典
1. N any very large thick-skinned mammal, such as an elephant, rhinoceros, or hippopotamus 大型厚皮动物; 如大象、朝天犀牛或河马
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pachyderm /ˈpækɪˌdɜːm/
剑桥词典
- a group of large mammals that includes elephants , rhinoceroses , and hippopotamuses
厚皮动物（大型哺乳动物，皮厚、有蹄，如大象、犀牛或河马等） 返回 pachyderm