However, momentum is always conserved in a collision, whether or not the collision is elastic.然而, 不管碰撞是不是弹性的, 在碰撞过程中动量总是守恒的.The elastic interaction between a wedge disclination dipole and an interfacial crack was investi...
They tamped down the earth around the apple tree.他们把苹果树周围的泥土夯实.tamped backfill夯实回填土The poets, once so praised , are tamped unceremoniously together in our textbooks, in one curt chapter.那些名噪一时的诗人, 在今天的教科书里, 已被毫不客气地挤在一起,列...
They worship James Brown, Bob Marley and Jimi Hendrix.他们崇拜詹姆斯·布朗、鲍勃·马利和吉米·亨德里克斯。Bob Marley and The Wailers remained virtually unknown elsewhere.但是在其他地方仍然不为人知.Bob Marley is the most well known singer of reggae music.巴布马利是...