この本によれば、最初の人工橋梁は新石器時代にさかのぼるという。

Sentence Analyzer

English Translation

This book says the earliest man-made bridges date back to the New Stone Age.

Furigana

この本(ほん)によれば、最初(さいしょ)の人工(じんこう)橋梁(きょうりょう)は新(しん)石器(せっき)時代(じだい)にさかのぼるという。

Romanji

Kono hon ni yoreba, saisho no jinkō kyōryō wa shin sekki jidai ni sakanoboru to iu.

Words

此の (この)

this (something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)

本 (ほん)

book; volume; script; this; present; main; head; real; regular; counter for long cylindrical things; counter for films, TV shows, etc.; counter for goals, home runs, etc.; counter for telephone calls

に (に)

at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although

因る (よる)

to be due to; to be caused by; to depend on; to turn on; to be based on; to come from; to be based at (a location, an organization); to be headquartered at

最初 (さいしょ)

beginning; outset; first; onset

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

人工 (じんこう)

artificial; man-made; human work; human skill; artificiality

橋梁 (きょうりょう)

bridge

は (は)

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

新 (しん)

new; neo-; Gregorian calendar; Xin (dynasty of China)

石器 (せっき)

stone implement (e.g. stone age arrowheads); stone tool

時代 (じだい)

period; epoch; era; age; the times; those days; oldness; ancientness; antiquity; antique; period piece