Caviar and oysters on ice are generally considered the ultimate luxury foods.一般认为，鱼子酱和冰镇牡蛎是顶级美味。She crammed her mouth with caviar.她嘴里塞满了鱼子酱。Lloyd had urged her to eat caviar. She had shuddered at the thought.劳埃德鼓动她吃鱼子酱。可...
To stability analysis of tethered balloon, a three dimensional nonlinear mathematical model tethered aerostat was assembled.为研究系留气球稳定性,建立了系留气球的三维非线性动力学模型.Methods Spinal bifida and tethered cord syndrome are congenital ma...