雅思小作文中流程图里可能用到的被动语态的动词：
Be sent to 被送到
Be transported to 被运送到
Be delivered to 被输送到
Be transferred to 被转移至
Be heated on/in 在…上被加热
Be extracted from 从…萃取
Be refined from 从….提炼
Be degraded to/from 降级为…
Be evaporated 被蒸发
Be incinerated 被焚烧为
Be broken down 被分解为
Be oxidated 被氧化为
Be deforested 被荒漠化
Be released to 被释放到
Be burned by 被燃烧
Be mixed with 和…混合
Be moulded as 被塑造成为
Be processed 被加工成
Be disposed of 被处理
Be promoted 被提升为
Be manufactured 被制作/制造
Be generated 被产生/制造
Be grilled 被烧烤
Be smoked 被烟熏
Be exposed 被暴露
Be restored 被恢复
