瞄准器

dài yǒu wàng yuǎn miáo zhǔn qì de bù qiāng

带有望远瞄准器的步枪

a rifle with a telescopic sight

tā yòng qiāng pào miáo zhǔn qì gēn zōng dí rén zhàn dòu jī

他用枪炮瞄准器跟踪敌人战斗机。

He locked the enemy fighter in the gun sights.