The inviscid linear stability of variable density swirling jets is analyzed by normal mode method.用正则模方法研究了变密度无粘旋拧射流线性稳定性特征.And accoutrements of rhythmic gymnastics - the hoop, the swirling ribbon - divert from the balle...
He has also dared to take unpopular, but principled stands at times.他有时也会大胆坚持不受欢迎、但却有原则性的立场。He is justly unpopular with all.他不受大家的欢迎是有道理的。He is a man with a reputation for being tough and unafraid of unpopular decisions....
我们二十人不能只沏一份 ( 如茶 ).We'll need more than one brew ( eg of tea ) for twenty people.睡觉前4小时别喝含有咖啡因的饮料, 如茶 、 咖啡 、 可乐及巧克力.Avoid caffeinated drinks, such as tea, coffee, cola and chocolate, four hours before bed.人生如茶, 有淡淡的...
They tried to get the harpoon into the ray before the sting tail came lashing over to retaliate.他们试图把鱼叉刺进鳐鱼体内，以防它猛摆那蜇人的尾巴报复。The harpoon drove deep into the body of the whale.渔叉深深地扎进鲸鱼体内.They tried to get the harpoon into...