如今，科学家们发现拥有某一类型这种基因的人或许感染上一种病毒后才会引发克罗恩病。

Now scientists find that those with one type of risky gene may also need to catch a virus to trigger the disease.

youdao

如今，科学家们发现拥有某一类型这种基因的人或许感染上一种病毒后才会引发克罗恩病。

Now scientists find that those with one type of risky gene may also need to catch a virus to trigger the disease.

youdao