The sea looks calm on the surface right now, while inside, it accumulates the power for the next rise of the tide.
此时的大海表面平静,内里却积蓄着再次涨潮的力量。
Here on Earth, moving tectonic plates are a major geological element, just crucial for the whole surface dynamic, right?
在地球上,移动的构造板块是一个主要的地质元素,对整个地表的动态变化至关重要,对吗?
He stepped foot on the surface right after Neil Armstrong.
VOA: special.2010.04.28
Right. The most famous example is that when things fall near the surface of the Earth, they all have the same acceleration, and the acceleration that's common is called g, and that's 9.8 m/s^.
最有名的例子就是,当物体地球表面附近下落时,它们都拥有相同的加速度,这个普遍的加速度叫做g,大小为9.8m/s^
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