关于"The study of natural history is not something to be left to biologists."这句话里的something是什么意思?为什么不可以换成everything?

英语翻译Only the last of these was suited at all to thecontinuous operating of machines,and although waterpower abounded inLancashire and Scotland and ran grain mills as well as textile mills,it hadone great disadvantage:streams flowed where natu 英语翻译Sections and ElevationsAfter an initial plan concept is developed,take several sections to begin differentiating shapes of various spaces.Spend extra time studying the section diagram and think about negative space and how light,both natu the study of life-and-death是什么意思 The importance of study 英语作文 statistical study of the human population the proper study of mankind is man THE PROPER STUDY OF MANKIND怎么样 翻译：Complacency is the enemy of study. the way of my study英语作文 英语翻译Complacency is the enemy of study. 关于Anthropological Linguistics的定义Anthropological Linguistics是The study of the innerrelationship between language and culture吗? The summnary of The Study of Poetry by Matthew Arnold Study of study of the way to study/the way of study 比较两个the way XX差别 ___every student aware of the importance of study,they would study efficiently什么意思? 翻译pragmatics is the study of language in use or language communication .the study of the use of 英语翻译1.Full Aniline Oil Based Pull Up - Bearing all original marks and scars of the hide,the most natural of the available leathers.A full thickness leather that is also soft to touch.This leather will also absorb minor scratches and is a natu