5 sentences

1. 侦察机正在边境地区执行秘密任务。

   zhēn​chá jī zhèng​zài biān​jìng dì​qū zhí​xíng mì​mì rèn​wu.

   A reconnaissance plane is carrying out a secret mission in the border area.

   Source: Dong Chinese Dictionary

2. 最初的生物只是用于侦察和战术用途。

   zuì​chū de shēng​wù zhǐ​shì yòng​yú zhēn​chá hé zhàn​shù yòng​tú.

   The initial creatures were just for reconnaissance and tactical use.

   Source: OpenSubtitles

3. 侦察小队在昨晚的伏击中抓到了一个活口。

   zhēn​chá xiǎo​duì zài zuó​wǎn de fú​jī zhōng zhuā​dào le yī gè huó​kǒu.

   The reconnaissance squad captured a live prisoner in last night's ambush.

   Source: Dong Chinese Dictionary

4. 士兵们在树林中隐蔽起来，以躲避敌人的侦察。

   shì​bīng men zài shù​lín zhōng yǐn​bì qi​lai, yǐ duǒ​bì dí​rén de zhēn​chá.

   The soldiers hid in the woods to evade enemy reconnaissance.

   Source: Dong Chinese Dictionary

5. 我方的侦察机在边境线上空执行日常监视任务。

   wǒ​fāng de zhēn​chá jī zài biān​jìng​xiàn shàng​kōng zhí​xíng rì​cháng jiān​shì rèn​wu.

   Our reconnaissance plane is conducting routine surveillance missions over the border line.

   Source: Dong Chinese Dictionary