adjust (as by firing under test conditions) the zero of (a gun)
双语例句
用作名词 (n.)
Rick got the Hellcat in his sights even while Karen was zeroing in on another Inorganic, an Odeon that had been circling toward the children by the fire pit. 瑞克一直紧盯着地狱猫，而凯伦正在对另一只无机兽进行射击零位调整，那只奥迪昂兽正围着火堆旁的孩子们兜圈。
