“This row is a north to south transect along the East Coast, ” he said one day recently, pointing to tubes containing samples collected at sites from Cape Cod to Key West.
“这一组沙是东海岸沿岸从北至南的样本。”最近的某天他指着一些试管说。
“This row is a north to south transect along the East Coast, ” he said one day recently, pointing to tubes containing samples collected at sites from Cape Cod to Key West.
“这一组沙是东海岸沿岸从北至南的样本。”最近的某天他指着一些试管说。
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