日本と韓国は、隣国同士だ。

日本と韓国は、隣国同士だ。

Japan and South Korea are neighbors.

日本(にっぽん)と韓国(かんこく)は、隣国(りんごく)同士(どうし)だ。

Nippon to Kankoku wa, ringoku dōshi da.

日本 (にほん、にっぽん)

Japan

と (と)

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

韓国 (かんこく)

South Korea; Republic of Korea; Korean Empire (1897-1910)

は (は)

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

隣国 (りんごく、りんこく)

neighbouring country; neighboring country; neighbouring state; neighboring state

同士 (どうし、どし)

fellow; mutual; companion; comrade

だ (だ)

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

Readings: ニチ、ジツ、ひ、 -び、 -か

Meanings: day, sun, Japan, counter for days

Readings: ホン、もと

Meanings: book, present, main, origin, true, real, counter for long cylindrical things

Readings: カン、から、いげた

Meaning: Korea

Readings: コク、くに

Meaning: country

Readings: リン、とな.る、となり

Meaning: neighboring

Readings: ドウ、おな.じ

Meanings: same, agree, equal

Readings: シ、さむらい

Meanings: gentleman, samurai, samurai radical (no. 33)