Elongate your spine as if a thread extending from the top of your crown was pulling your head, neck and back straight up towards the sky.
伸展你的脊柱，好像有一根线从头顶直直的往上拉你的头，脖子和后背。
2
When a task forks a new thread, it pushes it onto the head of its own deque.
当一个任务划分一个新线程时，它将自己推到deque的头部。
3
A lock release or lock notify operation is analogous to a scheduling dispatch operation in the sense that the thread at the head of the highest-priority queue is acted on.