当他们走近门的时候，第三个警卫又加入了他们。
当他们走近收款台的时候，传来一阵奇怪的声音。
A strange noise was heard as they approached the checkout counter.
当这些人走近板屋的时候，多萝茜正站在门口，他们踌躇着，耳语着，好像不敢再跑前一步。
When these people drew near the house where Dorothy was standing in the doorway, they paused and whispered among themselves, as if afraid to come farther.
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