プラスチックの削減が世界的な課題だ

N3 プラスチック purasuchikku plastic N1 削減 sakugen cut, reduction N4 世界 sekai world N3 課題 kadai task, assignment, issue

N1 削 saku / kezu.ru, hatsu.ru, so.gu plane, sharpen, whittle N2 減 gen / he.ru, he.rasu dwindle, decrease, reduce N4 世 sei, se, sou / yo generation, world, society N4 界 kai world, boundary, monde N3 的 teki / mato bull's eye, mark, target N2 課 ka chapter, lesson, section N4 題 dai topic, subject, sujet

N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences N5 〜の no Indicates possession, relation between nouns, nominal explanation, or turns a verb into a noun phrase