For biotic communities parallel terms: biocoenose and biocoenon may be used.生物群落也可用相似的术语; 生物群落和生物群丛.Insects fed on a bland ( nontoxic ) diet would show their real biotic potential.昆虫取食了味纯和的 ( 无毒的 ) 饲料可能表现出它们真正的生物潜能.Tagat...
They offer tips on topics such as home safety.他们就家居安全等问题提供建议。The built-in safety device compensates for a fall in water pressure.该内置式安全装置在水压下降时能提供保护。The five survivors eventually reached safety, ragged, half-starved and ...