It is used as an illustration of the interchangeability of mass and energy.这是用来说明质量与能量的可互换性.The circuit breaker replacement is extremely simple, handcart interchangeability good.断路器更换非常简单, 手车互换性好.The range offers higher ...
Many things left by the ancient Egyptians in tombs have been brought to light.在古埃及的古陵墓中发掘出很多东西.The King was on a private visit to enable him to pray at the tombs of his ancestors.国王以私人身份出访，以便能够祭拜先祖陵墓。They began to walk b...