果农把苹果树枝嫁接到梨树上做实验。

The farmer ___grafted an apple branch onto a pear tree for an experiment.

医生将患者手臂上的皮肤移植到受伤的脸部。

The doctor ___grafted skin from the patient's arm onto the injured face.

医生将健康皮肤移植到烧伤区域。

The doctor ___grafted healthy skin onto the burned area.

他们把现代设计理念嫁接在了这座传统建筑上。

They ___grafted modern design elements onto this traditional building.