あの科学者たちは選り抜きだ。

あの科学者たちは選り抜きだ。

Those scientists are the cream of the crop.

あの科学者(かがくしゃ)たちは選(え)り抜(ぬ)きだ。

Ano kagakushatachi wa erinuki da.

彼の (あの、かの)

that (someone or something distant from both speaker and listener, or situation unfamiliar to both speaker and listener)

は (は)

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

選り抜き (よりぬき、えりぬき)

the very best; elite

だ (だ)

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

Reading: カ

Meanings: department, course, section

Readings: ガク、まな.ぶ

Meanings: study, learning, science

Readings: シャ、もの

Meanings: someone, person

Readings: セン、えら.ぶ

Meanings: elect, select, choose, prefer

Readings: バツ、ハツ、ハイ、ぬ.く、 -ぬ.く、ぬ.き、ぬ.ける、ぬ.かす、ぬ.かる

Meanings: slip out, extract, pull out, pilfer, quote, remove, omit