Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download

Examples
with 계.

  • 식물계는 다양한 식물들이 포함되어 있습니다.sikmulgye-neun dayanghan sikmuldeuri pohamdoeeo issseubnida.The plant kingdom includes various plants.