1.Water pollution can be a grave threat not only to humans but also to any living species in lakes and, rivers.

水污染不管是對(duì)人類(lèi)還是對(duì)湖里和河里的任何物種都是—個(gè)嚴(yán)峻的威脅j_td8J.;wP1A。

2.Water pollution has become an alarming problem with potentially serious consequences for the environment, human health and economic development.

水污染已經(jīng)成了一個(gè)令人擔(dān)憂的問(wèn)題，它對(duì)環(huán)境、人類(lèi)健康和經(jīng)濟(jì)發(fā)展都有潛在的嚴(yán)重影響ubPm|#1y_32f3^9]1。

3.Waste-water treatment facilities should be recommended for the cost-effective treatment of both sewage pollution and agricultural waste-water.

污水處理設(shè)備應(yīng)該用于對(duì)污水污染和農(nóng)業(yè)廢水進(jìn)行低成本高效益的處理0%defQrfmkEk|4。

4.The long-term effects of improving the quality of water resources are beneficial in every aspect.

提高水資源質(zhì)量所帶來(lái)的長(zhǎng)期影響在各方面都是有益的1cp900b6Em=*。