prevent vt. 1.阻止,阻挡;制止;妨碍 (from)。 2.预防;〔古语〕先做,预先,迎合(愿望),预先应付(问题);【宗教】引领。 Rain prevented the game. 下雨妨碍了比赛。 prevent him from going=prevent his [him] going 阻止他走。 prevent sb. from injuring himself 预防某人弄伤自己。 vi. 妨碍;阻止。 if nothing prevents 如果没有什么妨碍的话。
Overall plan should be made and all factor should be taken into consideration so as to effectively control flood , fight a drought , prevent waterlogging , protect everglades , prevent soil against gleying and swampiness 三峡工程建设要使有利影响得到充分发挥,并采取有效措施,使不利影响得到减免。