探究的英文：
delve
disquisition
dug
explore
explored
inquisition
search

To plunge into an activity or enterprise with vigor and gusto.
全身的投入，潜心钻研，探究。

The Implication Of Inquiry Instruction In Environmentally Ecological Education
探究教学在环境生态化教育中的应用

Investigate or examine(sth) closely
细查,探究(某事物)

Probe into the causes of a crime
探究犯罪的原因

She dived into the secrets of this case.
她探究着此案的秘密。

You are exploring the frontiers in science.
你在探究科学的新领域。

What are they digging for?
他们正在探究什么?

Delve into the background of a case
探究某事的背景

Scientific problem is a factor of scientific inquiry activity and impenetrate in scientific activity all along.
“科学问题”是科学探究活动的要素,并贯穿于探究活动的始终。

They are probing into the cause of the crime.
他们正在探究犯罪的原因。

He delved into his rucksack and pulled out a folder.
他在背包里翻找一番后拿出了一个文件夹。

We need to delve more deeply into these questions.
我们要对这些问题做进一步的探究。

She delve in her bag and pull out a pen.
她在提包里翻找，拿出一枝钢笔。

He dug in his spurs.
他用马刺策马前进。

They dug worms for bait.
他们掘出蚯蚓做钓饵。

A tunnel dug to intercept and destroy an enemy's mine.
对抗地道截断或破坏敌人坑道而挖的地道