to drill
to research
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→zuan1yan2 • zuānyán
to delve into
delve into, delves into, delved into, delving into, to research intensely, research intensely
她 喜欢 钻研 古代 历史。
She likes to delve into ancient history.
他 专注 于 钻研 新 技术。
He focuses on delving into new technologies.
我们 应该 钻研 这 个 问题 的 本质。
We should delve into the nature of this problem.