词典释义：
双语例句
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For one agonizing moment , the dish was perched precariously on the bank of the canal, but it suddenly overbalanced and slid back into the water.
在令人忐忑不安的瞬间，盘子晃晃悠悠地上了岸，但它突然失去闻平衡，又跌回水中。