The answer is: through grafting.

答案就是：通过嫁接。

youdao

Through grafting, the grapefruit tree is another plant that depends on grafting to reproduce.

通过嫁接，葡萄柚树是另外一种通过嫁接生殖的植物。

youdao

Many fruits and nuts have been improved through grafting.

VOA: special.2010.05.18

He created a new architectural language for the government buildings in Dhaka, Bangladesh, grafting a new democracy to the roots of an ancient civilization through archetypal brick forms.

WSJ: Ancient Modernism | 'Louis Kahn: The Power of Architecture' | Vitra Design Museum, Germany | By Colin Amery