botanist

A botanist can differentiate varieties of plants.

植物学家能区分各种不同的植物。

Along with English botanist Joseph Hooker, Lyell was one of a small handful of people Darwin had shown early drafts of his own work on natural selection.

同英国植物学家约瑟夫·胡克一样，莱尔是少数了解达尔文在自然选择学说方面研究的早期草稿的人之一。

Forty-five years on, the French botanist's gardens have grown massive in scale.

四十五年过去，这法国植物学家的花园规模更大。