和英／英和辞典 - Japanese⇔English Dictionary

1. 1. [n] {biol} subkingdom

Kanji in this word

• 亜
  Asia, rank next, come after, -ous

  On: ア (a)

  Kun: つ.ぐ (tsu.gu)

  7 strokes · Grade 8 · JLPT N1
• 界
  world, boundary

  On: カイ (kai)

  9 strokes · Grade 3 · JLPT N3