normal end标准端normaladj.正常的；正规的；精神健全的n.常态；标准Normal oral mucosa正常口腔黏膜normal epimorphism正规满态射normal thread form标准螺纹形状normal penetration垂直侵彻normal derivatives法向导数normal consistence正常稠度normal abandonment正常报废normal cubic metre标准立方米normal ventilation正常通风normal phagocytosis正常吞噬作用

1. The position places the pecs on a greater stretch than a shoulder-width grip does, and the greater stretch causes more muscle fibers to be recruited during each rep.
   如此让胸肌群伸展的范围比正常握距时大，也会让更多的肌肉纤维在每次运动之间得到更多回复的机会。