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As if erecting a mountain barrier upon the open plain.
在空旷的平原树立起高山屏障。
youdao
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The mountain forms a natural barrier between the two countries.
这座山构成了两国之间的天然屏障。
youdao
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The mountain forms a natural barrier between the two countries.
这座山构成了两国之间的天然屏障。
youdao