Gemi
abbr. grating efficiency measurement instrument 光栅效率测量设备
🗣️ 情景例句
If you don't like it, I whis you would say so.
如果你不喜欢，我希望你能说出来。
That seems quite soon considering the nature of the product and shipping time.
考虑到产品的性质和运输时间那看来太快了。
Are you crazy?
你疯了吗？