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。