Gemi
abbr. grating efficiency measurement instrument 光栅效率测量设备
🗣️ 情景例句
My mother would take us everywhere, too.
我妈妈也是带我们各处走。
Yes,I had breakfast two hours ago.
是,我2小时以前吃了早餐。
Please sign here to show that you have received the money.
请在这儿签字以表明你已收到这笔钱。"