prevent to do sth 与 prevent sb (from) doing 用法
prevent to do sth
如: Do not water in before making a turn every time 9 days, make wilting of its branch appreciably, make branch the turn slowly next, prevent to break off or cause "dead turn" . 在每次作弯前一两天不要浇水,使其枝条略微萎蔫,然后将枝条慢慢作弯,防止折断或造成“死弯”。
prevent sb (from) doing sth
等同于stop ···from 或 keep···from (from为介词,后加ing) 阻止,预防某人干某事
如:l prevent him from going out.我阻止他出去。