1 sentence

1. 科学家通过多年实验，选育出了高产的小麦品种。

   kē​xué​jiā tōng​guò duō nián shí​yàn, xuǎn​yù chū le gāo​chǎn de xiǎo​mài pǐn​zhǒng.

   Through years of experimentation, scientists have bred high-yielding wheat varieties.

   Source: Dong Chinese Dictionary