꽃가루에

In a sentence

• 벌이 꽃가루에 앉아 꿀을 따고 있다.

  The bee is sitting on the pollen and gathering nectar.

  꽃가루에 is used to indicate the location ('on') where the bee is sitting and gathering nectar, showing its involvement with pollen in this action.

• 꽃가루에 알레르기가 있어서 봄에 외출하기 힘들어요.

  I have an allergy to pollen, so it’s hard to go outside in spring.

  꽃가루에 describes the source or cause of the allergy ('to pollen'), showing the relationship between the pollen and the allergy experienced by the speaker.

• 꽃가루에 대해 더 알고 싶습니다.

  I want to learn more about pollen.

  꽃가루에 is used to introduce a topic ('about pollen') for further discussion or exploration.