库珀教授说：“这儿的情况有些不同寻常，而仅在沿海滩10米开外的地方就没有了”。
"There is some unusual set of circumstances that occurs just here that doesn't occur even 10 metres away along the beach," said Professor Cooper.
库珀教授说：“这儿的情况有些不同寻常，而仅在沿海滩10米开外的地方就没有了”。
"There is some unusual set of circumstances that occurs just here that doesn't occur even 10 metres away along the beach," said Professor Cooper.
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