雨が３日間降り続いた。

雨が３日間降り続いた。

The rain lasted three days.

雨(あめ)が３日間(にちかん)降(ふ)り続(つづ)いた。

Ame ga san nichikan furitsuzuita.

雨 (あめ)

rain

が (が)

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

三 (さん、み)

three; tri-

日間 (ひあい)

time; days; daily interest rate

降り続く (ふりつづく)

to continue to rain or snow

Readings: ウ、あめ、あま-、 -さめ

Meaning: rain

Readings: ニチ、ジツ、ひ、 -び、 -か

Meanings: day, sun, Japan, counter for days

Readings: カン、ケン、あいだ、ま、あい

Meanings: interval, space

Readings: コウ、ゴ、お.りる、お.ろす、ふ.る、ふ.り、くだ.る、くだ.す

Meanings: descend, precipitate, fall, surrender

Readings: ゾク、ショク、コウ、キョウ、つづ.く、つづ.ける、つぐ.ない

Meanings: continue, series, sequel