sump マイ単語帳に追加

内燃機関の油だめ

an oil reservoir in an internal combustion engine.

内燃機関の油だめ。

水が集められた井戸や他のくぼみ

a well or other hole in which water has collected.

水が集められた井戸や他のくぼみ。

蓋をした水槽

a covered cistern; waste water and sewage flow into it.

蓋をした水槽。下水や汚水が流れ込む。