单词:papillae mammae
[医] 乳房乳头, 乳头
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How a Cats Sandpapery Tongue Deep Cleans Cat lovers know that the animals spend a lot of time cleaning themselves. Cats use their tongues to remove dirt from their fur and smooth out their hair. Scientists are now learning how the rough, sandpaper-li
发表于:2019-01-06 / 阅读(84) / 评论(0)
2018年VOA慢速英语(十二)月