彼らは次々と出発した。

彼らは次々と出発した。

They started one after another.

彼(かれ)らは次々(つぎつぎ)と出発(しゅっぱつ)した。

Karera wa tsugitsugi to shuppatsushita.

彼ら (かれら)

they (usually male); them

は (は)

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

次々 (つぎつぎ)

in succession; one by one

と (と)

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

出発 (しゅっぱつ)

departure

Readings: ヒ、かれ、かの、か.の

Meanings: he, that, the

Readings: ジ、シ、つ.ぐ、つぎ

Meanings: next, order, sequence

Readings: シュツ、スイ、で.る、 -で、だ.す、 -だ.す、い.でる、い.だす

Meanings: exit, leave, go out, come out, put out, protrude

Readings: ハツ、ホツ、た.つ、あば.く、おこ.る、つか.わす、はな.つ

Meanings: departure, discharge, publish, emit, start from, disclose, counter for gunshots