The flow is primarily laminar.这种流动主要是层流.The behavior of convective motion is not laminar but turbulent.对流运动的行为不是片流式而是湍流式.The air flow was regarded as quasi - laminar.空气流动被视为准层流.Simply making steel stronger does not neces...
Diana's house was crowded with happy people whose spontaneous outbursts of song were accompanied by lively music...戴安娜的家里挤满了兴奋的人们，他们伴着欢快的音乐不由自主地引吭高歌。The radio flux is extremely variable, exhibiting erratic outbursts...
a notepad by the phone for messages电话机旁用于记录信息的记事本This allows you to keep confidential messages secure from unauthorised access.这可以让你的邮件安全保密从未经授权的访问.It is illegal to intercept radio messages.拦截无线电报是非法的。I phoned twice a da...