第二级: second stage采食: ingestion生物: living things; living beings ...第三级采食生物: tertiary consumer捕食生物的: predaceous; predacious; predatory; preying; raptorial腐食生物: sapropages; saprophagous organisms寄食生物: inquiline; inquline牧食生物: grazer摄食生物: consumer organism食生物的: biophagous食生物作用: biophagism鱼食生物: fishfood organism不等群体二级采样: subsampling of unequal clusters第二级: second stage◇第二级电压范围(30伏至175伏) second voltage range; 第二级校正 second-order correction寄生物和捕食生物: parasitesandpredators第二级光谱，第二级谱: second order spectrum倒数第二级: penultimate stage第二级产业: secondary sector of economic activity第二级潮汐: tide of second order第二级处理: secondary treatment第二级次: second order第二级的: partial第二级地址: address second-level; address, second-level第二级点火: second-stage ignition第二级反射: second order reflection
