在南达科他州考斯德州立公园的森林之湖，岸边露头的古老花岗岩，反射在静止的水面上，此时一垂钓孤翁等鱼咬饵。
Ancient granite outcrops reflect in the still water of Sylvan Lake in South Dakota's Custer State Park as a lone fisherman awaits a nibble.
注意凯文的头部完全静止，肘部“几乎”在水面上，并且也“几乎”静止。
Notice that Kevin holds his head extremely still… and that he keeps his elbows VERY near the surface, and VERY still.
注意凯文的头部完全静止，肘部“几乎”在水面上，并且也“几乎”静止。
Notice that Kevin holds his head extremely still… and that he keeps his elbows VERY near the surface, and VERY still.
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