メアリーはミルクが大好きです。

メアリーはミルクが大好きです。

Mary likes milk very much.

メアリーはミルクが大好(だいす)きです。

Meari- wa miruku ga daisuki desu.

は (は)

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

ミルク (ミルク)

milk

が (が)

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

大好き (だいすき)

loveable; very likeable; like very much

です (です)

be; is

Readings: ダイ、タイ、おお-、おお.きい、 -おお.いに

Meanings: large, big

Readings: コウ、この.む、す.く、よ.い、い.い

Meanings: fond, pleasing, like something