Retzius' striae
[医] 雷济厄斯氏纹(棕色纹见于牙釉质)
🧩 词语组成解析
[医] 纹
🗣️ 情景例句
Be our guest.
请随意。
Yes, and I took many pictures.
是的，我还照了好多照片。
Oh, that's Mrs. Brown.
噢，那是布郎太太。