Pach
abbr. plane aberration-correcting holographic grating 平面像差校正全息光栅
🗣️ 情景例句
Now I can help diaper him.
我现在可以帮他换尿布了。
Do you often play bridge on Saturday?
你常常在星期六玩桥牌吗？
They play it like this, six students stand in a row in front of the class.
6个学生在全班前面站成一排。