Her face was a revelation of age and dissipation.她的脸暴露了她的年龄和放荡的生活。the dissipation of energy in the form of heat以热量形式耗散的能量Don't permit yourself in dissipation.不要放任自己....
They have removed all tactical nuclear missiles that could strike Europe.他们已经拆除所有能够袭击欧洲的战术核导弹。He had a nose for trouble and a brilliant tactical mind.他善于发现问题，还总能想出高明的策略。The security forces had made a tactical withdrawal ...