Industrial discharges are a major source of water pollution. (工业排放是水污染的主要来源。)
Agricultural activities can also contribute to water pollution. (农业活动也可能导致水污染。)
Improperly managed urban drainage systems can cause water pollution. (不当管理的城市排水系统可能导致水污染。)
Human activities such as litter and illegal dumping can lead to water pollution. (人类活动,如垃圾和非法倾倒可能导致水污染。)
Natural factors like storms and floods can also cause water pollution. (自然因素,如暴风雨和洪水也可能导致水污染。)
扫码进群(如群满请谅解)
长按或截屏保存,再用微信扫一扫
最佳回答 2023-05-10