Vocabulary consisting only from characters you are able to read
外界
がいかい
physical world, the externals; physical world, the externalsmix
羽音
はおと
(1)sound of flapping wings (of a bird)/ (2)buzz/hum (of an insect) leda1
重要
じゅうよう
important, momentous, essential, principal, majorjlpt3
進出
しんしゅつ
advance, step forwardsuru