The ligament may become weakened due to carrying too much weight; this causes it to tear easily.
韧带可能削弱由于携带过多的重量，这使它很容易撕裂。
2
It defies most principles of muscle growth in that it doesn't use enough weight to cause a tear down of tissue.
它违背了目前大多数的肌肉增长原则，因为它没有用足够能制造肌肉撕裂的重量。
3
The delamination crack and its effect on the fracture of pipeline steel were investigated by drop-weighttear test(DWTT)at different temperature and micrograph analysis.