彼は天文学、すなわち星の研究をしている。

Sentence Analyzer

English Translation

He studies astronomy, or the science of stars.

Furigana

彼(かれ)は天文学(てんもんがく)、すなわち星(ほし)の研究(けんきゅう)をしている。

Romanji

Kare wa tenmongaku, sunawachi hoshi no kenkyū o shiteiru.

Words

彼 (かれ)

he; him; his; boyfriend

は (は)

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

天文学 (てんもんがく)

astronomy

即ち (すなわち)

that is; namely; i.e.

星 (ほし)

star; any light-emitting (or reflecting) heavenly body (except for the sun and the moon); offender; perpetrator (police slang)

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

研究 (けんきゅう)

study; research; investigation

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.

為る (する)

to do; to cause to become; to make (into); to turn (into); to serve as; to act as; to work as; to wear (clothes, a facial expression, etc.); to judge as being; to view as being; to think of as; to treat as; to use as; to decide on; to choose; to be sensed (of a smell, noise, etc.); to be (in a state, condition, etc.); to be worth; to cost; to pass (of time); to elapse; verbalizing suffix (applies to nouns noted in this dictionary with the part of speech "vs"); creates a humble verb (after a noun prefixed with "o" or "go"); to be just about to; to be just starting to; to try to; to attempt to