昔の人は、地球は球形で、太陽の周囲を回っていることを知らなかった。

Sentence Analyzer

English Translation

Formerly people did not know that the earth is round and that it moves around the sun.

Furigana

昔(むかし)の人(ひと)は、地球(ちきゅう)は球形(きゅうけい)で、太陽(たいよう)の周囲(しゅうい)を回(まわ)っていることを知(し)らなかった。

Romanji

Mukashi no hito wa, chikyū wa kyūkei de, taiyō no shūi o mawatteiru koto o shiranakatta.

Words

昔 (むかし)

olden days; former

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 (ひと、ヒト)

man; person; human being; mankind; people; human (Homo sapiens); humans as a species; character; personality; man of talent; true man; another person; other people; others; adult

は (は)

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

地球 (ちきゅう)

the earth; the globe

球形 (きゅうけい)

globular or spherical shape

で (で、にて)

indicates location of action; at; in; indicates time of action; indicates means of action; cause of effect; by; and then; so; indicates continuing action; indicates certainty, emphasis, etc.

太陽 (たいよう)

sun; solar

周囲 (しゅうい)

surroundings; environs; circumference

を (を)

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

回る (まわる)

to turn; to revolve; to visit several places; to function well; to pass a certain time

事 (こと、こん)

thing; matter; incident; occurrence; event; something serious; trouble; crisis; circumstances; situation; state of affairs; work; business; affair; after an inflectable word, creates a noun phrase indicating something the speaker does not feel close to; nominalizing suffix; pretending to ...; playing make-believe ...; alias; aka; nickname; alternative name; also known as

知る (しる)

to be aware of; to know; to be conscious of; to cognize; to cognise; to notice; to feel; to understand; to comprehend; to grasp; to remember; to be acquainted with (a procedure); to experience; to go through; to learn; to be acquainted with (a person); to get to know; to concern