ボイラは湯あかがびっしりついた。

ボイラは湯あかがびっしりついた。

The boiler was heavily scaled.

ボイラは湯(ゆ)あかがびっしりついた。

Boira wa yuaka ga bisshiri tsuita.

ボイラー (ボイラー、ボイラ)

boiler

は (は)

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

湯垢 (ゆあか)

scale (i.e. hard water coating in a kettle, etc.); fur

が (が)

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

びっしり (びっしり)

closely packed; crowded close

注ぐ (つぐ)

(usu. written as kana when referring to a solid) to pour (into a vessel); to fill; to dish out food or drink

Readings: トウ、ゆ

Meanings: hot water, bath, hot spring