初探的英文：
primary exploration

参考例句：

Making an approach to the testing of solar PV product
先进太阳能光伏检测技术初探

Investigations into the body colour of shrimps living in natural pond
简沼虾体色调节之初探

Preliminary Research On Sexual Education Principles For People With Mental Disability
弱智人士性教育教育原则初探

Building Community and Parent Participation Model In Special Need Education
特殊需要教育的家长、社区参与的模式初探——以建华基金会特殊需要教育模式为着眼点

primary是什么意思：
adj. 初级的；基本的；最早的，原始的；原生的；首要的，主要的
n.，首选；候选人初选会；预选；原色

primary feather
初级飞羽

A primary feather of a bird.
翅前羽鸟的初级飞羽

The Democratic primary was held this month.
民主党候选人初选于本月举行。

These are created by combining the primary.
这些颜色通过混合原色形成。

This should be your primary concern!
这一点是首先需要留心的。

exploration是什么意思：
n. 探测；勘探；探究

Investigation is exploring.
调查就是探索。

The explorers discovered a natural deposit.
探险者们发现了一处天然矿床。

Explorers have to withstand hardships.
探险者得忍受艰苦。

He was a great explorer.
他是一位伟大的探险家。

He likes to explore the cave.
他喜欢在山洞里探险。