lǎo / shī / zài / shēng / wù / kè / shàng / yòng / Táo / lì / yáng / de / gù / shì / shuō / míng / kè / lóng / jì / shù / de / fā / zhǎn

老师在生物课上用桃莉羊的故事说明克隆技术的发展。

In biology class, the teacher used the story of Dolly to explain the development of cloning technology.