Pach
abbr. plane aberration-correcting holographic grating 平面像差校正全息光栅
🗣️ 情景例句
Have you ever been to a buffet dinner?
你去吃过自助餐吗？
Please do not move.
请不要动。
So it is! Lily, did you hear what I said?
是呀！莉莉，你听见我的话了吗？