Dentes premolares
[医] 前磨牙, 双尖牙, 前臼齿
🧩 词语组成解析
齿状部份
🗣️ 情景例句
You're just wasting your breath.
你在白费口舌。
It's her birthday and she wants to gives us all a treat.
这是她的生日，她要款待我们大家。
Last week, my four-year-old daughter, Sally, was invited to a children's party.
上周，我4岁的女儿萨莉被邀请去参加一个儿童聚会。