He buried himself in a stack of materials, searching for the data needed in support of his arguments.

他埋头在一堆资料里，寻找能支持他的论据的数据资料。

youdao

He buried himself in a stack of materials, searching for the data needed in support of his arguments.

他埋头在一堆资料里，寻找能支持他的论据的数据资料。

youdao