richard gross: this is just like an ice skater, a spinning ice skater who will spin faster as she brings her arms closer to her body.
richargross :这就像一个溜冰者,当她旋转时,手臂越靠近身体,就转得越快。
i would remember that a good skater never tries to skate in two directions at once.
优秀的滑冰手从不试图同时滑向两个不同的方向。
the amount of angular momentum, say, a spinning skater has depends on both the speed of rotation, and the weight and distribution of mass around the center.
角动量的大小,取决于旋转中的滑冰选手的旋转速度、体重和绕旋转中心的质量分布。
the economy is not like a skater who just needs help to get up after a fall, he wrote recently in the new york times. 「our skater has broken some bones and needs real attention.」
他近期在《纽约时报》撰文指出:目前经济并不像一位摔倒后只需人们助其站起的滑冰者,「我们这位滑冰者已经摔断了几根骨头,需要得到真正的照料。」
that is, until i picked up right where i「d left off in high school, when i fell for the taut, just short of scrawny, skater and drug dealer types.
就是如此,直到我收拾我高中时留下的,我倾心的那些紧巴巴的,骨瘦如柴的溜冰的和贩毒型的。
amputee trick skater and motivational speaker who skated across the u. s. on a prosthetic leg. includes photos and personal history.
在一条修复术的腿上越过美国溜冰的被截肢者诡计溜冰者和激发性的说话者。包括相片和个人历史。
a person can learn to type and master languages or become a very good skater through practice, trial and error, study – everything of one」s own effort.
一个人可以通过实践、尝试、错误和学习——一切自己的努力,来掌握打字和语言,或成为一个很好的溜冰者。
the skater executed a perfect set of figures.
那个滑冰的人做出了一套完美的花样动作。
the skater stumbled but at once recovered himself.
滑冰的人绊了一下,但立刻恢复了平衡。
since that pulls mass closer to the planet「s spin axis, it causes the planet to rotate faster – just as an ice skater spins faster when she pulls her arms towards her body.
由于质量朝地球旋转轴靠拢,这就导致地球旋转速度加快 ---就像一个速度滑冰选手,当她把胳膊向身体收拢时就会旋转得更快。
skater skirts might be fashionable, but they don」t work for pears.
速滑运动员裙子是很时尚没错,但是绝不适合梨形身材的人。
the general low level of friction on ice allows a skater to glide along the surface smoothly without friction stopping the motion as soon as it「s begun.
冰面上摩擦力通常较低,这使得滑冰选手一俟启动,就能不受摩擦力牵绊,顺畅滑翔冰面。
a former british champion ice skater who collapsed and died from a brain haemorrhage gave birth to a baby girl two days later, it emerged yesterday.
前英国滑冰冠军瘫痪并死于脑溢血两天后,顺利生下一名女婴。
this weight distribution is like a skater with arms out, spinning slowly.
这样的重力分布就像滑冰者张开手臂慢速旋转。
commemorative coins will be issued next week to honor korean figure skater kim yu-na」s gold medal at the vancouver winter olympics, the korean olympic committee said.
韩国大韩体育会日前表示,将于下周为在温哥华冬奥会上夺得花样滑冰女单冠军的金妍儿发行纪念币。