Boresight
检验火器准星校靶, 瞄准线, 视轴
🗣️ 情景例句
Michelle, can I help you with the lemonade?
Michelle，我帮你倒点柠檬汁好吗？
When an opportunity is neglected, it never comes back to you.
机不可失，时不再来。
No, thank you. Thanks for all your help.
不必了，谢谢。谢谢你帮了我大忙。