wèi le / tí gāo / zǐ zhū / de / chéng huó lǜ / sì yǎng yuán / gěi / tā men / zhǔn bèi / le / bǎo wēn xiāng

为了提高仔猪的成活率，饲养员给它们准备了保温箱。

To increase the survival rate of piglets, the breeder prepared incubators for them.