yán / jiū / rén / yuán / tōng / guò / dìng / xiàng / péi / yù / péi / yù / chū / le / gèng / nài / hàn / de / xiǎo / mài / pǐn / zhǒng

研究人员通过定向培育，培育出了更耐旱的小麦品种。

Researchers developed a more drought-resistant wheat variety through directed breeding.