メアリーは日本語が話せる。

メアリーは日本語が話せる。

Mary can speak Japanese.

メアリーは日本語(にほんご)が話(はな)せる。

Meari- wa nihongo ga hanaseru.

は (は)

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

日本語 (にほんご、にっぽんご)

Japanese (language); Japanese as a second language

が (が)

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

話せる (はなせる)

to be able to speak; to be able to talk; to be understanding; to be sensible

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: ゴ、かた.る、かた.らう

Meanings: word, speech, language

Readings: ワ、はな.す、はなし

Meanings: tale, talk