阿玛尼的精致工艺很容易博得人们的赞誉。It is easy to appreciate the craftsmanship of Armani.阿姆斯特朗在离目的地还有300米的地方被堵住不能动弹。Armstrong was boxed in with 300 metres to go.她语气之强烈令阿利斯泰尔深感震惊。The violence in her tone gave Alistair a shock....
若干研究已经发现了两个重要常量。Two significant constants have been found in a number of research studies.其值不变的量称为常量.A quantity whose value remains unchanged is called a constant.在无外力时,质心的速度是常量.The velocity of the center of mass is cons...