and that's probably related to the bulimia.

这可能与她的贪食症有关
What's more striking even than that is

但是比那更引人注意的
the size of her top teeth.

是她上齿的形状
Her top front teeth are

她的上门牙
actually shorter than her bottom front teeth

实际上比她的下门牙要短
and it turns out that any kind of acid softens dental enamel.

原来任何酸性物质都会软化牙釉质
Don't suck on too many lemons!

别吃太多柠檬了
So any kind of acid over time will soften dental enamel

时间长了任何酸性物质都会软化牙釉质
and eventually it'll get soft enough, it'll start to chip away;

并最终导致牙釉质的脱落
and some people with bulimia purge enough by inducing vomiting

某些贪食症患者经常通过催吐来清空胃部
and wash, particular their front teeth,

这样一来胃酸反复冲刷牙齿
with stomach acid over and over and over again

尤其是门齿