as.pen
n.(名词)Any of several trees of the genusPopulus having leaves attached by flattened leafstalks so that they flutter readily in the wind. 白杨:一种树白杨 属,叶长在扁平的叶柄上,因此易于随风飘动 adj.(形容词)Of or relating to one of these trees.白杨属:这些树的一种或与这些树的一种有关的Shivering or trembling like the leaves of one of these trees.象这些树的树叶一样抖动或颤动
来源:Middle English aspe 中古英语 aspe from Old English ôspe 源自 古英语 ôspe