1 sentence

1. 紫三叶草是一种被蜜蜂用来当作食物来源的植物。

   zǐ sān​yè​cǎo shì yī zhǒng bèi mì​fēng yòng​lái dàng​zuò shí​wù lái​yuán de zhí​wù.

   Purple clover is a type of plant that bees use as a source of food.

   Source: Tatoeba