2 sentences

1. 她在医学领域很有建树。

   tā zài yī​xué lǐng​yù hěn yǒu jiàn​shù.

   She has made significant achievements in the field of medicine.

   Source: Dong Chinese Dictionary

2. 他在中西医结合领域颇有建树。

   tā zài zhōng​xī​yī jié​hé lǐng​yù pō yǒu jiàn​shù.

   He has made significant achievements in the field of combining traditional Chinese and Western medicine.

   Source: Dong Chinese Dictionary