while that of Charybdis feriatus is more complicate. Their nutrient levels are 2.38,2.59 and 2.60 respectively, which are in the third nutrition layer(lower carnivores).是什么意思_while that of Charybdis feriatus is more complicate. Their nutrient levels are 2.38,2.59 and 2.60 respectively, which are in the third nutrition layer(lower carnivores).在线翻译_英语_读音_用法_例句