光の波は空中で最も速く進み、水中ではそれより遅く、ガラスの中ではもっと遅く進む。

Sentence Analyzer

光の波は空中で最も速く進み、水中ではそれより遅く、がらすの中ではもっと遅く進む。

English Translation

While light waves travel most quickly through air, they go slower through water and even slower through glass.

Furigana

光(ひかり)の波(なみ)は空中(くうちゅう)で最(もっと)も速(はや)く進(すす)み、水中(すいちゅう)ではそれより遅(おそ)く、ガラスの中(なか)ではもっと遅(おそ)く進(すす)む。

Romanji

Hikari no nami wa kūchū de mottomo hayaku susumi, suichū de wa sore yori osoku, garasu no naka de wa motto osoku susumu.

Words

光 (ひかり)

light

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

波 (なみ)

wave

は (は)

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

空中 (くうちゅう)

sky; air

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.

最も (もっとも、もとも)

most; extremely

早い (はやい)

fast; quick; hasty; brisk; early (in the day, etc.); premature; (too) soon; not yet; (too) early; easy; simple; quick

荒む (すさむ)

to grow wild; to run to waste

水中 (すいちゅう)

underwater

其れ (それ)

that (indicating an item or person near the listener, the action of the listener, or something on their mind); it; that time; then; there (indicating a place near the listener); you

より (より)

than; from; out of; since; at; on; except; but; other than; more

遅い (おそい)

slow; late (e.g. "late at night"); too late; dull; stupid

硝子 (ガラス、しょうし)

glass; pane; vitreous

中 (なか)

inside; in; among; within; center (centre); middle; during; while

もっと (もっと)

(some) more; even more; longer; further

進む (すすむ)

to advance; to go forward; to precede; to go ahead (of); to make progress; to improve; to deepen; to heighten; to be fast (of a clock); to be ahead; to do of one's own free will