Plicadentin
放射状牙质
🗣️ 情景例句
Are you all right?
你怎么了？
Through thick and thin, they have always been my precious team mates, advisers, and above all, friends.
我们同甘共苦，亲如伙伴，他们是我的军师，更是我的朋友。
The high jump
跳高