私たちは美と言うとき、私たちの美意識を満足させてくれる、精神的なものや物質的なもの（この場合物質的なものである場合の方が多いが）のことを言っているのだと思う。

Sentence Analyzer

English Translation

I suppose that what we mean by beauty is that object, spiritual or material, more often material, which satisfies our aesthetic sense.

Furigana

私(わたし)たちは美(び)と言(い)うとき、私(わたし)たちの美意識(びいしき)を満足(まんぞく)させてくれる、精神的(せいしんてき)なものや物質的(ぶっしつてき)なもの（この場合(ばあい)物質的(ぶっしつてき)なものである場合(ばあい)の方(ほう)が多(おお)いが）のことを言(い)っているのだと思(おも)う。

Romanji

Watashitachi wa bi to iu toki, watashitachi no biishiki o manzokusasetekureru, seishinteki na mono ya busshitsuteki na mono kono baai busshitsuteki na mono de aru baai no hō ga ōi ga no koto o itteiru no da to omou.

Words

私たち (わたしたち、わたくしたち)

we; us

は (は)

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

美 (び)

beauty

と (と)

if; when; and; with; particle used for quoting (with speech, thoughts, etc.); quoting particle; promoted pawn; indicates question (sentence end)

言う (いう、ゆう)

to say; to utter; to declare; to name; to call; to go (e.g. "the alarm went ping"); to make a noise

とき (とき)

regular (stops at every station) Jouetsu-line Shinkansen

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

美意識 (びいしき)

sense of beauty; aesthetic sense

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.

満足 (まんぞく)

satisfaction; contentment; complacency; sufficient; enough; adequate; proper

精神的 (せいしんてき)

mental; emotional

だ (だ)

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

者 (もの、もん)

person

や (や)

such things as (non-exhaustive list related to a specific time and place); and ... and; the minute (that) ...; no sooner than ...; as soon as; punctuational exclamation in haiku, renga, etc.; interjection expressing surprise; hi; plain copula; yes; what?; indicates a question

物質的 (ぶっしつてき)

material; physical

此の (この)

this (something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)

場合 (ばあい)

case; situation

或 (ある)

a certain ...; some ...

方 (かた)

direction; way; person; lady; gentleman; method of; manner of; way of; care of ..; person in charge of ..; side (e.g. "on my mother's side")

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

多い (おおい)

many; numerous

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

思う (おもう)

to think; to consider; to believe; to think (of doing); to plan (to do); to judge; to assess; to regard; to imagine; to suppose; to dream; to expect; to look forward to; to feel; to desire; to want; to recall; to remember