Snakes didn’t play fetch, didn’t bound into the car panting their joy, didn’t speak when you held a rawhide bone just above shoulder level and twitched it invitingly.
蛇可不是拿来玩耍的，它不会因窜上你的车里而高兴不已，它仅仅是爬上你的肩头缠绕蠕动。
Have your partner stand beside you and check that your ear hole, the center of your shoulder joint, the center of your outer hip, and your outer ankle bone are in one line, perpendicular to the floor.
让同伴站到你的侧面检查你的耳孔、肩关节中心、臀外侧中心和外侧踝骨中心是否在一条线上并与地面垂直。
Two muscles, the infraspinatus and teres minor, connect the shoulder blade to the upper arm bone and roll the arms outward.
冈下肌和小圆肌这两块肌肉，将肩胛骨和上臂连接起来，使手臂外旋。
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