良 kanji stroke order 良 japanese kanji writing 良 kanji diagram-kanji lookup

かいりょう
改良
noun, 'suru' verb
improvement; reform
なら
奈良
noun
Nara (city)
'i' adjective
1. good; excellent; fine; nice; pleasant; agreeable  (also いい (all senses); often written with kana only)
2. sufficient (can be used to turn down an offer); ready; prepared
しりょう
資料
valuable material