“Survival of the fittest” is a conversational way to describenatural selection, but a more technical description speaks ofdifferential rates of survival and reproduction.

“适者生存”只是对自然选择学说的日常描述，更专业的描述则关注存活和生殖的水平差异。

youdao

Overall, a technical improvement for reproduction but a slight disappointment in creativity and execution.

总体而言，对繁殖，但在创造力和执行略有失望的技术改进。

youdao

Some of the technical elements a photographer must skillfully control include sharpness, exposure, lighting, composition and color reproduction.

摄影师必须掌握的一些摄影技术有聚光、曝光、增亮、组合及色彩的调配等。

youdao