これらの箱はプラスチック製だ。
Sentence Analyzer
English Translation
These boxes are made of plastic.
Furigana
これらの箱 はプラスチック製 だ。
Romanji
Korera no hako wa purasuchikkusei da.
Words
これ等
(これら)
these
の
(の)
indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question
箱
(はこ、ハコ)
box; case; chest; package; pack; car (of a train, etc.); shamisen case; shamisen; public building; community building; man who carries a geisha's shamisen; receptacle for human waste; feces (faeces); counter for boxes (or boxed objects)
は
(は)
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
プラスチック製
(プラスチックせい)
(made of) plastic
だ
(だ)
be; is; indicates past or completed action; indicates light imperative