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来源:雅诚德英语网
Winds or storms can move nutrients from the bottom of the ocean to the surface. Nobody knows yet how much of a difference the whales really make.
暴风骤雨亦可将海底养分移动到海面,鲸鱼的工作与之区别何在,尚未为人所知。
Winds or storms can move nutrients from the bottom of the ocean to the surface. Nobody knows yet how much of a difference the whales really make.
暴风骤雨亦可将海底养分移动到海面,鲸鱼的工作与之区别何在,尚未为人所知。