I assume another reason you were so certain is that—rather famously—you swallowed a bunch of Helicobacter bacteria to prove that it caused stomach problems.
我猜你能这么肯定的另一个原因是——众所周知——你吞下了一堆幽门螺杆菌以证明是它引起了胃病。
A scanning electron microscopic image of Helicobacter pylori.
幽门螺杆菌的扫描电镜照片。
Computer artwork of Helicobacter pylori bacteria in the stomach.