Our lab report confirmed that a single alga species was clogging the factory's cooling pipes.

我們的實驗室報告證實，是單一種藻類堵塞了工廠的冷卻管線。

The shipping company cleaned an alga buildup from the cargo tank before the next voyage.

航運公司在下一趟航程前，清除了貨艙內堆積的藻類。

The hotel manager apologized after guests noticed green alga floating in the outdoor pool.

房客發現戶外泳池漂著綠色藻類後，飯店經理出面道歉。