このジュースは酸っぱい。

このじゅーすは酸っぱい。

This juice tastes sour.

このジュースは酸(す)っぱい。

Kono ju-su wa suppai.

此の (この)

this (something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)

ジュース (ジュース)

juice; soft drink (any (sweet) non-alcoholic beverage, carbonated or uncarbonated); deuce

は (は)

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

酸っぱい (すっぱい)

sour; acid

Readings: サン、す.い

Meanings: acid, bitterness, sour, tart