英语语法分析

The adenovirus presented a problem, however.

但是，腺病毒产生了一个问题。

Scientists found that when human stem cells are exposed to adenovirus-36, they turn into fat cells.

科学家发现当人类干细胞感染了腺病毒- 36，它们就变成脂肪细胞。

Another cause of obesity, one that really fascinates me, has to do with a virus called the adenovirus-36.

肥胖的另一个起因(也是非常令我着迷的一个)就是关于一个称作腺病毒- 36的病毒。