Gemi
abbr. grating efficiency measurement instrument 光栅效率测量设备
🗣️ 情景例句
It is pleasant to jog in the early morning.
清晨慢跑很舒畅。
Time is money.
时间就是金钱。
Oh, look! said Ann. What's that? She pointed at one of the things.
“看啊！”安说，“那是什么？”她指着一件展品问。