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    首页/CEFR/C2/Vocabulary/UK/hand ·phrase/hand ·phrase

额外供应品将随时可用,如果需要的话。

Extra supplies will be ___on ___hand, should they be needed.

父母应该随时在手边帮助孩子做作业。

Parents should be ___on ___hand to help their children with schoolwork.

为了安全,厨房里总是放一个灭火器在手边。

Always have a fire extinguisher ___to ___hand in the kitchen for safety.

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