Vocabulary consisting only from characters you are able to read
実用化
じつようか
making practical or useful, implementationsuru
一次(の)
いちじ(の)
first/primary/linear (equation)/first-orderadj, leda1
疑問文
ぎもんぶん
interrogative sentencemix
祭礼
さいれい
(religious) festivalmix
特急
とっきゅう
limited express train (faster than an express train)jlpt4, ryokou
草原
そうげん
grass-covered plain/grasslands/meadows/savannah/prairie/steppe/(P)leda1
一回り
ひとまわり
(1)one turn, one round, (2)(a) size, (vs) (3)to go around, to make a circuit, to take a turn mix
首相
しゅしょう
Prime Minister/Chancellor (Germany, Austria, etc.)/Premier/(P)leda1
一方で
いっぽうで
on the other handmix