如果你从未见过树精，那就很难给你解释；如果你见过，那就可以毫无错误地从颜色、声音、头发上辨别出来某些不同之处。
It is hard to explain if you have never seen a Dryad but quite unmistakable once you have - something different in the colour , the voice , and the hair .
就那样待着，真可爱，象一个树精
Stay exactly like that . Lovely . Like a wood spirit .
树精