在你也有心情运动一下的时候这倒不是个问题,但问题是他们每天都需要大量运动来抒发精力。
This may not seem a problem if you are in the mood for some exercise yourself. But they need an outlet for this energy every day.
网球运动需要大量快速而剧烈的动作。
机器人专家们已经花了几十年的努力去理解两脚运动,如今最聪明的机器人也需要大量的能量和运算能力来实现双脚行走。
Roboticists have struggled for decades to understand bipedal locomotion, and even today’s most sophisticated robots require huge amounts of energy and computer power to walk on two legs.
I think the reason why triathlon is not so, so big is just because it requires a lot of time.
我认为铁人三项运动之所以不够普及,
是因为它需要大量的时间。
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