需要在更自然的条件下进行进一步研究。

Further research is needed under rather more naturalistic conditions.

《柯林斯英汉双解大词典》

单层温室的好处是自然采光。即便如此，许多温室仍然需要人工照明。

Single-storey greenhouses have the benefit of natural overhead light: even so, many still need artificial lighting.

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为什么叶绿素是自然界最高等的光吸收体，却需要保护？

Why does chlorophyll need protection when it is the natural world's supreme light absorber?

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Yeats takes on self-consciously staged identities, requiring costumes, and he sees other people in similarly theatrical and mythic terms.

叶芝扮演这些舞台身份时,觉得不自然，总需要乔装一番，他看待别人也是用同样的,戏剧和神话的术语。

耶鲁公开课 - 现代诗歌课程节选

Yet Aristotle's conception of our political nature seems to require standards of justice that are natural or right for us.

但亚里士多德对我们政治天性的概念,似乎需要正义的标准,且那对我们是自然或正确的法治预设。

耶鲁公开课 - 政治哲学导论课程节选

A qualified purchaser has to have at least $5 million dollars or, if it's an institution, at least $25 million -that is a natural person.

一个合格购买者至少持有500万美元,如果是机构则需要至少2500万美元,...这里指的是自然人

耶鲁公开课 - 金融市场课程节选