日本は四つの主な島から成り立っている。

Sentence Analyzer

日本は四つの主な島から成り立っている。

English Translation

Japan consists of four main islands.

Furigana

日本(にっぽん)は四(よっ)つの主(おも)な島(しま)から成(な)り立(た)っている。

Romanji

Nippon wa yottsu no omona shima kara naritatteiru.

Words

日本 (にほん、にっぽん)

Japan

は (は)

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

四つ (よっつ、よつ)

four

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

主 (おも)

chief; main; principal; important; main secondary or supporting role (in kyogen)

島 (しま)

island; territory (of a prostitute, organized crime gang, etc.); turf

から (から)

from (e.g. time, place, numerical quantity); since; from (originator); by; because; since; out of (constituent, part); through (e.g. window, vestibule); after; since

成り立つ (なりたつ)

to consist of; to be made up of; to be composed of; to be practical (logical, feasible, viable); to be concluded; to hold true