Boresight
检验火器准星校靶, 瞄准线, 视轴
🗣️ 情景例句
Has the container arrived in Sydney yet?
货柜已经到达悉尼了吗？
An evil lesson is soon learned.
学坏容易。
Mr. Smith taught English at a school.
史密斯先生在一所学校教英语。