postpone有被動形式嘛

！postpone有被動形式，be postponed中文意思是被延期，被推遲

If the meal must be postponed for more than an hour， a snack helps to avoid a hunger headache.如果吃飯必須推遲一個多小時，吃點零食有助於避免飢餓引起的頭痛。

There are rumblings that the election may have to be postponed.