いろいろな説はあるものの、恐竜がなぜ突然絶滅してしまったのかはまだ謎のままである。

Sentence Analyzer

English Translation

There are many theories about the sudden extinction of the dinosaurs, but the real cause still remains anyone's guess.

Furigana

いろいろな説(せつ)はあるものの、恐竜(きょうりゅう)がなぜ突然(とつぜん)絶滅(ぜつめつ)してしまったのかはまだ謎(なぞ)のままである。

Romanji

Iroirona setsu wa aru monono, kyōryū ga naze totsuzen zetsumetsushiteshimatta no ka wa mada nazo no mama de aru.

Words

色々 (いろいろ)

various; various colors (colours)

説 (せつ)

theory; doctrine; opinion; view; rumour; rumor; gossip; hearsay

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

有る (ある)

to be (usu. of inanimate objects); to exist; to live; to have; to be located; to be equipped with; to happen; to come about

ものの (ものの)

but; although

恐竜 (きょうりゅう)

dinosaur

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

何故 (なぜ、なにゆえ)

why; how

突然 (とつぜん)

abrupt; sudden; unexpected; all at once

絶滅 (ぜつめつ)

destruction; extinction

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

か (か)

indicates a question (sometimes rhetorical); or; whether or not; some- (e.g. something, someone); indicates doubt, uncertainty, etc.; emphatic prefix; suffix forming adjectives or adverbs; in that way

未だ (まだ、いまだ)

as yet; hitherto; only; still; not yet (with negative verb); more; besides; unfinished; incomplete; not yet finished with

謎 (なぞ)

riddle; puzzle; enigma; mystery; enigmatic; mysterious

乳母 (うば、めのと、おんば、にゅうぼ、ちうば、ちおも、ちも、にゅうも、まま)

wet nurse; nursing mother

だ (だ)

be; is; indicates past or completed action; indicates light imperative

或 (ある)

a certain ...; some ...