Boresight
检验火器准星校靶, 瞄准线, 视轴
🗣️ 情景例句
with Mr. Levine?
与Levine先生的邀约？
Better a bachelor's life than a slovenly wife.
过光棍生活，胜过有一个邋遢老婆。
I want to improve, but I don't know how.
我想提高它，但又不知道怎么样才能提高。