问题描述：
是across desert 还是through desert ,好像两种形式都对,有什么区别吗?
1.The Great Wall winds its way from west to east,(across )deserts ,over mountains ,through walleys ,till at last it reaches the sea
2.we're looking forward to the holidays when we'll be travelling on camels( through) the Sahara Desert.
这两句话的答案都是对的 区别吗 另外,desert 应该是没有顶子的，
1.The Great Wall winds its way from west to east,(across )deserts ,over mountains ,through walleys ,till at last it reaches the sea
2.we're looking forward to the holidays when we'll be travelling on camels( through) the Sahara Desert.
这两句话的答案都是对的 区别吗 另外,desert 应该是没有顶子的，
问题解答：
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