Acceleration and velocity are both vectors.加速度和速度都是矢量。the velocity of light光速Einstein's theory links energy with mass and velocity of light.爱因斯坦的理论把能量同质量和光速联系起来....
他离她远远的，好像她得了麻风病似的。He'd pulled away from her as if she had leprosy.他的身体因为麻风病变形了.His body was deformed by leprosy.联合化疗是一种有望治愈全世界所有麻风病患者的有效治疗方法。MDT is an effective treatment and could cure all the leprosy sufferers wor...