Vocabulary consisting only from characters you are able to read
研究所
けんきゅうじょ
research establishment (institute, laboratory, etc.); research establishment (institute, laboratory, etc.)all, gakkou, shigoto
次々
つぎつぎ
in succession, one by onejlpt3
上陸
じょうりく
landing, disembarkationsuru
帰化
きか
naturalization, naturalisationsuru