1.prevent from 防止
例句:Active cure of swoon patients was important to prevent from complications.
积极救治晕厥患者,对预防并发症有重要意义 。
2.based on 以…为基础
例句:All of the work we do is based on science.
我们所做的一切都是在科学的基础上完成的 。
3.amount of 大量的
例句:Don't be daunted by the amount of work still to be done.
不要因那大量待做的工作而失去信心 。
4.act as 扮演…的角色
例句:That sofa also acts as a bed.
那沙发也可当床 。