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The straps cross over at the back and are tied at the waist.
带子在背后交叉，然后系在腰部。
《牛津词典》
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You finally reach the door, open it and cross back over the threshold.
当你到达门口时，打开大门迈过门槛。
youdao
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You finally reach the door, open it and cross back over the threshold.
当你到达门口时，打开大门迈过门槛。
youdao