"探员"用英语叫做 "explorer"。这个词的词根来源于拉丁语中的 "explorare"，意思是“探索”、“探测”。
例句:
Christopher Columbus was one of the most famous explorers in history.
(克里斯托弗·哥伦布是历史上最著名的探险家之一。)
The explorers set out to discover new lands.
(探险者们出发去发现新的土地。)
The explorer was determined to find the source of the river.
(探险家决心找到这条河的源头。)