这个敲击的动作就可以解释为什么钢琴是打击乐器而不是弦乐器。
This striking action is why the piano is a percussion instrument instead of a string instrument.
为什么它们的行为表明它们更关心的是消耗多少能量而不是担心暴露在捕食者面前呢?
Why does their behavior indicate more of a concern with how much energy they expend than with being exposed to predators?
梯度向量的垂直方向,为什么是这样而不是另外一个方向?
Does the gradient vector, why is the gradient vector perpendicular in one direction rather than the other?
Oh. The question of why they chose--the baby-- the kids chose the rocket ship one as opposed to the Rafael one.
这个问题是,为什么婴儿会选择火箭飞船的贴纸,而不是拉斐尔的贴纸
The first step to insight is to ask questions like why do things fall down and not up?
起初的洞察力是问问题,为什么物体坠地而不是上升?
By the way why is it 90% of the time and not 100% of the time?
顺便问一下为什么是90%而不是100%
应用推荐