Fovea primitiva
[医] 原凹
🧩 词语组成解析
n. 窝, 凹\\n[医] 凹
原板（原生动物）
🗣️ 情景例句
Good morning, Mr. Zhou. Take a seat, please. What can I do for you?
早上好，周先生。请坐。有什么事吗？
To pick your teeth
剔牙
I insist on telling him how great you were.
我一定要告诉他你是多么了不起。