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来源:雅诚德英语网
Barrier islands are important to the Gulf ecosystem: They protect the marshes from ocean storms and erosion.
障壁岛群对海湾生态系统很重要:它们保护沼泽地免除海洋风暴的袭击和侵蚀。
Barrier islands are important to the Gulf ecosystem: They protect the marshes from ocean storms and erosion.
障壁岛群对海湾生态系统很重要:它们保护沼泽地免除海洋风暴的袭击和侵蚀。