如果您诚实地凭感觉跑，您速度将随着您训练的不断深入而提高。
If you go honestly by how you feel, the pace will improve as you make your way through the season.
当您压缩隔膜和肋骨时，充分的呼吸作用不能发生，并且血液流经您的大脑和四肢的速度会减慢。
When you compress the diaphragm and ribs, full respiration cannot take place, and the blood flow is slowed to your brain and extremities.
如果快门速度较慢，则快门打开时，您或您的拍摄对象很可能会移动，从而导致照片出现运动模糊。
With slow shutter speed, it's more likely that you or your subject is going to move while the shutter is open, causing motion blur in your photo.
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