しかし全ての物質の中を同じ速度で進むのではなく、ものによって速くもなり遅くもなる。

Sentence Analyzer

English Translation

But light does not travel at the same speed through all materials; it goes slower through some than through others.

Furigana

しかし全(すべ)ての物質(ぶっしつ)の中(なか)を同(おな)じ速度(そくど)で進(すす)むのではなく、ものによって速(はや)くもなり遅(おそ)くもなる。

Romanji

Shikashi subete no busshitsu no naka o onaji sokudo de susumu no de wa naku, mono niyotte hayaku mo nari osoku mo naru.

Words

然し (しかし)

however; but

全て (すべて)

everything; all; the whole; entirely; completely; wholly; all

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

物質 (ぶっしつ)

material; substance

中 (なか)

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

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.

同じ (おなじ、おんなじ)

same; identical; equal; uniform; equivalent; similar; common (origin); changeless; alike; (usu. part of a 'nara' conditional) anyway; anyhow; in either case

速度 (そくど)

speed; velocity; rate

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.

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

だ (だ)

be; is; indicates past or completed action; indicates light imperative

は (は)

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

無い (ない)

nonexistent; not being (there); unpossessed; unowned; not had; unique; indicates negation, inexperience, unnecessariness or impossibility; not ...; to not be...; to have not ...

者 (もの、もん)

person

に因って (によって)

according to; by (means of); due to; because of

早い (はやい)

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

も (も)

too; also; in addition; as well; (not) either (in a negative sentence); both A and B; A as well as B; neither A nor B (in a negative sentence); even; as much as; as many as; as far as; as long as; no less than; no fewer than; even if; even though; although; in spite of; further; more; again; another; the other

なる (なる)

that is in; who is called; that is called; that is

遅い (おそい)

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

成る (なる)

to become; to get; to grow; to be; to reach; to attain; to result in; to prove to be; to consist of; to be composed of; to succeed; to be complete; to change into; to be exchanged for; to play a role; to be promoted; to do ...