Pach
abbr. plane aberration-correcting holographic grating 平面像差校正全息光栅
🗣️ 情景例句
First, we need to more public relations activities to promote understanding.
首先，我们应该更多地做公关活动以促进了解。
I will try, but no promises.
我会试试看，但是不敢保证。
Oh, that's her hat.
那是她的帽子