我们能把同样的这种模式追溯到遥远的史前吗?
Violet Vale was purple with violets and the seedling apple tree far back in the woods was a huge tree peppered over with tiny, crimson-tipped blossom-buds.紫罗兰山谷开满了紫色的花朵,而树林背后深处的苹果树苗长成了绽满了细小的、尖端是深红色的花苞的大树。
Occasionally one can determine whether stone tools were used in the right hand or the left, and it is even possible to assess how far back this feature can be traced.偶尔,人们可以确定石器是用在右手还是左手上,甚至可以评估这种特征可以追溯到多远以前。