1·So take a moment to pause and sit on your coccyx, the bone that was once a tail.
所以停下来，坐在那个曾经是我们的尾巴的尾骨之上思考一下。
2·One striking example of an atavism is the human coccyx, or tailbone, which is a relic of the mammalian tail.
关于返祖的一个有力例证就是人类的尾骨，它是哺乳动物尾巴的遗留物。
3·Of or relating to or near the coccyx.
属于、有关或靠近尾骨。
4·Firm your scapulas against your back torso, lengthen your coccyx toward the floor, and arch your upper torso back slightly.
把肩胛稳固于躯干后侧，向地板方向拉长尾骨，并把躯干上部往后轻轻地拱起。
5·Firm your scapulas against your back torso, lengthen your coccyx toward the floor, and arch your upper torso back slightly.
肩胛骨稳定向背部延伸尾骨向地板，将背部微微向上顶成弓形。