雅思流程图的写作中常用的被动语态动词：（按字母顺序排列）
Be broken down 被分解为
Be burned by 被燃烧
Be deforested 被荒漠化
Be degraded to/from 降级为…
Be delivered to 被输送到
Be disposed of 被处理
Be evaporated 被蒸发
Be exposed 被暴露
Be extracted from 从…萃取
Be generated 被产生/制造
Be grilled 被烧烤
Be heated on/in 在…上被加热
Be incinerated 被焚烧为
Be manufactured 被制作/制造
Be mixed with 和…混合
Be moulded as 被塑造成为
Be oxidated 被氧化为
Be processed 被加工成
Be promoted 被提升为
Be refined from 从…。提炼
Be released to 被释放到
Be restored 被恢复
Be sent to 被送到
Be smoked 被烟熏
Be transferred to 被转移至
Be transported to 被运送到
