冲击波前方的熵密度是恒定的.The entropy density is constant ahead of the shock.熵的任何反向变化都是不合理的也是不可能的.The reversal of any entropychanging transformation would be neither reasonable nor possible.温熵图是一种热力学图,特别适合于描述大气过程.The tephigram is a ...
The crew spent two days and nights in their raft.船员在救生筏上呆了两天两夜。I made for the life raft and hung on for dear life.我游到救生筏前，死命地抓住它。The raft gathered speed as the current dragged it toward the falls.水流将木筏拽向瀑布，木筏的速度越来越快。...
接种疫苗的成本合计约60万美元。The cost of the immunizations was about $600,000 all told.这种疫苗的问世是医疗保健领域的重大突破。The vaccine represents a quantum leap in healthcare.医疗工作者宣传关于接种疫苗的好处.Health workers spread the word about the benefits of immu...
The angles are equal, for ABC is equilateral.三角相等, 因为三角形ABC是等边三角形.An equilateral triangle cannot be dissected into finitely many incongruent equilateral triangles.等边三角形不能分成有限多个不全等的等边三角形.It passes through the N atom and t...