嘿，维拉，快看呐。
Hey Vera, check this out.
你背部稍低处有一开关按钮，这开关可以在“必死”和“永生”之间切换。
There is a little switch button on the lower bit of your back, where you can switch between 'Mortal' and 'Eternal life'.
很奇怪那些科学家们对此只字未提，对吧？
Pretty weird all those scientists never said anything about that, huh?