vi.探究；挖掘；搜索
She had started to delve into her father's distant past. 她开始探究她父亲久已逝去的岁月。
He delves into lots of old books and papers for the fact. 他钻研许多古书与文件,以寻找事实。
We need to delve more deeply into these questions. 这些是我们想进一步了解的。
But someday，I want to learn how to do something before I delve into something else. 但也许有一天在我要进入这些领域前,我想我会深入地去学习。
She delved in her bag and pulled out a pen. 她在提包里翻找，拿出一枝钢笔。
vi.探究；挖掘；搜索
