Gemi
abbr. grating efficiency measurement instrument 光栅效率测量设备
🗣️ 情景例句
I want to put some of my good hangers in Grandpa's closet.
我想在爷爷的衣橱 放几个好的衣架。
What do you mean by that?
你这话是什么意思？
The second factor is more interesting and more fundamental.
第二点更有意思，也更重要。