1. I thought it was dangerous, but he insisted and went on ahead to reconnoiter . 我认为那太危险了，但他却坚持要去探探路。
2. Frequency agility is used by most of modern military radars, which makes it difficult for anti-radiation seeker to reconnoiter the signals. 现在的军事雷达大多数采用捷变频技术，这给反辐射导引头侦察雷达信号带来了困难。
3. Except the method of nature electric field, we used DB-3 popular dam seepage detection device of flow field method to reconnoiter around Jiangya dam site. 在对江垭水库大坝物探勘查工作中，除运用了自然电场法等常规查漏方法外，还采用了流场法DB-3普及型堤坝渗漏检测仪进行勘查。
英英解释
v.
1. explore, often with the goal of finding something or somebody
