1.Suppose that 假如;猜测
例句:Most people suppose that there must be a railway line underneath it.
大多数人认为它下面肯定有一条铁轨 。
2.be sparked by 由...引起
例句:The crisis was sparked by the assassination
危机是由暗杀引起的 。
3.the release of ...的发布
例句:The release of his latest book came last week.
他最近写的一本书于上周发表了 。
4.at that time 那时
例句:She was so frigid at that time that she almost committed suicide.
当时她非常心灰意冷,差点自杀 。