nutrient-poorCOCA⁹⁴¹⁹⁷BNC¹¹⁴⁰²⁴⁺⁵Economist⁵³⁵⁸¹⁺¹ 基本例句 🌏贫养 On a routine expedition in1987, oceanographers in the submersible Alvin were mapping the typically barren, nutrient-poor seafloor in the Santa Catalina Basin, off the shore of southern California. 在1987年的一次例行探险中,一群海洋学家在南加州海岸外,通过潜水器阿尔文潜入海底,为圣卡塔利娜盆地描绘那典型的贫瘠、荒芜的海底地貌。 yeeyan