Gemi
abbr. grating efficiency measurement instrument 光栅效率测量设备
🗣️ 情景例句
She got a scholarship to Cambridge but dropped out a year later.
她得到了剑桥大学的奖学金，但一年后就退学了。
It's a beautiful country with many large lakes.
它是一个有许多大湖的美丽的国家。
Could you explain exactly what you do?
您能确切的解释一下你做些什么吗？