Gemi
abbr. grating efficiency measurement instrument 光栅效率测量设备
🗣️ 情景例句
He is behind the rest of the class in reading.
他在阅读方面不如班上的其他同学。
I've brought a wonderful book you might like.
我带起来了你可能喜欢的好书。
You can print the telephone number of your information service in the newspaper.
你可以把你的问讯服务的电话号码登在报纸上。