Mary-Ann smiled. Notwithstanding her black decayed teeth there was in her smile something sweet and touching.

玛丽—安笑了。 尽管她有一口黑蛀牙，但是她的笑容还是显得很甜美动人。

" And it's a good suggestion. Oftentimes people with decayed teeth have sound ideas.Central Park is a favorite place for birds in the spring."

“这是个好主意。看来嘴里有坏牙的人也常常能说出好主意。春天的中央公园是鸟儿们喜爱的地方。”

The hope is that, one day, medical versions of the team's organoids could be used as biological implants, to regenerate a patient's decayed teeth.

希望有一天，该团队医学版本的类器官可以用作生物植入物，以帮助患者的蛀牙新生。

Mary-Ann was a little woman with a snub nose and decayed teeth, but fresh-coloured, and I do not suppose she could have been more than thirty-five.

玛丽—安个子矮小，长着一个塌鼻子，一口蛀牙，不过气色很好，我想她不会超过三十五岁。