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The engineers have used special methods to ensure the bridge against danger from high winds.
工程师们采用特殊的方法保证桥梁免受强风的威胁。
youdao
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The police can ensure the witness against(from) danger.
警察能保证证人免受危险。
youdao
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The police can ensure the witness against(from) danger.
警察能保证证人免受危险。
youdao