Gemi
abbr. grating efficiency measurement instrument 光栅效率测量设备
🗣️ 情景例句
His excuse sounds unconvincing.
他说的理由好像不可难。
How low-class!
真低级！
I can show you other quotations that are lower than yours.
我可以把比贵公司报价低得多的价目表给你看看。