Once that plaque builds up, it can rupture and completely block the artery, cutting off the blood supply to your heart.
一旦斑块堆积，则会损伤并完全阻塞动脉，造成心脏缺血。
3
When you store things in the session object, you invoke a setAttribute method and supply a name/value pair as the two parameters; there's an example of this in block 2.