背会10个句子记下700个单词 英语长句一般指的是各种复杂句，复杂句里可能有多个从句，从句与从句之间的关系可能包孕、嵌套，也可能并列，平行。1.The annual migrations of wildfowl and many other animals certainly cannot be regarded as a form of exploration, because such movements are actually only shifts from one habitat to another for the purpose of avoiding seasonal climatic variations.野生禽类和许多其他动物每年的迁徙，当然不能被看做是一种探险行为，因为，这些迁徙活动实际上只是从一个栖息地转移到另一个栖息地，以躲避气候的季节性变化。
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有付出才有回报。