这意味着需要开展更多、更透彻的研究。
他对苏格兰所有的方言都做了透彻的研究。
He had made a thorough study of all the dialects spoken in Scotland.
人类已经研究了抛物线近千年,对它的性质理解的很透彻。
Parabolas have been studied for millennia, and their properties are well understood.
人类已经研究了抛物线近千年,对它的性质理解的很透彻。
Parabolas have been studied for millennia, and their properties are well understood.
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