对下面句子的英语翻译

乔木是指树身高大的树木,由根部发生独立的主干,树干和树冠有明显区分。
  有一个直立主干、且高达6米以上的木本植物称为乔木。与低矮的灌木相对应,通常见到的高大树木都是乔木,如木棉、松树、玉兰、白桦等。乔木按冬季或旱季落叶与否又分为落叶乔木和常绿乔木。

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小涛哥 7级
2009-09-13 回答
The tree refers to the tree trunk big trees, has the independent branch by the root, the bough and the crown has the obvious discrimination.
Some erectness branch, also reaches as high as 6 meter above xylophytes to be called the tree.Corresponds with the low bush, usually saw the big trees all are the tree, like kapok, pine tree, yulan magnolia, white birch and so on.The tree or not divides into the fallen leaf tree according to the winter or the dry season fallen leaf and is often green the tree.