Cementocyte
牙骨质细胞
🗣️ 情景例句
People shouldn't do drugs. They're too addictive.
人们不应吸毒，太容易上瘾了。
What sort of medicine do you take?
你吃的是什么药？
Where's my skirt, mother? Do you know?
妈妈，你知道我的衬衫在哪吗？