'Where does the town's water come from? ' he asked.

“镇上的水从哪里来？”他问。

Their primary functions include supplying the town's water and ploughing the roads when it snows.

他们的主要功能包括为城镇供水和在下雪时犁路。

Greenfield, Iowa, experienced a similar scare in mid-July when potentially harmful algae from a bloom on Greenfield Lake managed to slip through a filter in the town water treatment plant.

爱荷华州的格林菲尔德在7月中旬也经历过类似的恐慌，当时格林菲尔德湖爆发的潜在有害藻类成功越过了镇上一家水处理厂的过滤器。